80mm Vs 100mm Refractor

G91 ;relative positioning. 5mm => 32x 10mm => 40x 10mm + 2x barlow 5mm => 80x 10mm SMA vs 10mm Xcel: Xcel defintely gives more wide field and better eye relief. 102 mm Refractor versus 140 mm Maksutov; Vixen ED102 vs OMC140 by John Baars 102mm refractor versus 140mm Maksutov Vixen ED102S vs. Esprit 80mm ED Triplet APO Refractor. 49 Meade Observer ETX80 Telescope $519. My first telescope was a refractor. Orion 80mm ED (3. · Orion AstroView series - 100mm and 120mm short tube achromatic refractors and a 6" (150mm) Newtonian reflector on German equatorial mounts. This refractor has an aperture of 4. So I don’t say equal, I say similar. FC-76DS The FC-76DS model features a retractable dew shield and 95 mm diameter barrel. They currently offer the scope in four apertures: 80-mm, 100-mm, 120-mm, and 150-mm. I understand that the 100mm Macro also has a newer more expensive L version offered. 65 mm, motorized. 6) for vivid images of distant subjects. William Optics ZenithStar 80mm f/6. 1º TFOV with a 40mm 68º eyepiece is the. For planets and small to medium (also larger with 2" eyepieces or just 1. The 9×50 RACI finderscope is the same low-cost unit sold with many telescopes. This extra-low dispersion (ED) Triplet APO offers fully multi-coated optics for crisp, clear images. The SVX102T includes: Stellarvue 3" focuser; 2" and 1. Apo Refractor vs Questar Telescope. This refractor telescope is equipped with all the functions and features for your children to enjoy their hobby of observing and gazing at the stars. Whether you're viewing the rings of Saturn, the moons of Jupiter, surface details on the Moon, or terrestrial objects, the Infinity 80 Refractor allows the first-time observer to explore the world, solar system, and beyond. The Gskyer Infinity 90 mm Refractor telescope offers excellent features and quality for all beginners and newcomers to the wonders of astronomy. 98 Strehl or higher. Explore Scientific 127 mm f/7. Celestron Ultima 100 mm refractor features excellent multi-coated optics packed into a portable and durable refractor design and comes standard with a 22-66x. He/She say that 80mm to 90mm Refractor and 4" to 4. It’s the telescope with the largest aperture from AZ Power Seeker range. The refractor forehead rest has a range of 25±2 mm to accommodate more patients. The FC-76DC and DS are optically identical. 1 kg range weight, compared with a 9 - 10 kg for a 150 mm refractor and even with a 32 mm / 1. The result is, both positive and negative, let me explain: Pros: Obviously, more details visible Higher contrast, more 3d perception, compared to stock Lunt LS50 Cons:. With the exception of the focal length, it is identical to the FC-100DF. We assume you are converting between millimetre and centimetre. Re: 80mm APO vs. Meade?s all new Adventure Scope is the perfect telescope for the explorer seeking to observe both day and night objects up close! Available in both 60mm and 80mm apertures, this telescope is portable and easy. 5 whilst that of the 120mm and 150mm is the, rather more normal, f/7. The Sky-Watcher 100mm Esprit 80ED Triplet APO Refractor is a professional instrument for the most demanding and exacting astro-photographers. A 6" refractor ? Yes, but why ? Modern acromats do not suffer too much coma and false color troubles, but a humble 150 mm f/5 refractor is in the 5. G90 ;absolute positioning. Virtual Pathfinder video "Refractor vs Catadioptric Telescope - Comparison: Celestron C90 MAK vs Skywatcher Evostar 72ED" SkyWatcher Evostar 150 ED is the apochromatic refractor with 150mm diameter and 1200mm focal length (f/8), doublet ED lens. Check out that page to see how relatively trivial it is to make a quality 50mm to even 70mm refractor telescope of your own. The newer Sigma 105 EX DG HSM OS is probably better and has From the standpoint of potential optical performance, I don't think you'd go wrong with any of them. 5 Best Refractor Telescopes Reviewed [2020] | Hobby Help. A 10 mm eyepiece used with an f/10 telescope will have a 1 mm exit pupil diameter: The bundle of rays leaving the eyepiece will be 1 mm in diameter. With fully multi-coated optics, the R80 reveals brighter and sharper images. The Celestron Omni XLT102 Telescope by Celestron has a large 102mm Lens that is capable of giving a great image of the Moon, Saturn and its rings, Jupiter and its moons, nebulae and star clusters. 3), the GoScope 80 refractor performs rather impressively for its modest size, collecting over 30% more light than its 70mm counterpart, and over 70% more light than a 60mm refractor. It's a 90mm f/6. 102 mm Refractor versus 140 mm Maksutov; Vixen ED102 vs OMC140 by John Baars 102mm refractor versus 140mm Maksutov Vixen ED102S vs. 3), the Go Scope 80 refractor performs rather impressively for its modest size, collecting over 30% more light than its 70mm counterpart, and over 70% more light than a 60mm refractor. 25 ED APO Doublet Refractor w/S-FPL53 glass $999 Add to cart; Olivon Alpha Lyra MAK90 $189 Add to cart; Olivon Alpha Lyra Telescope 60/700 AZ-2,Olivon 80mm ED APO f. Get the best deals on Refractor Telescopes 61-100 mm Objective Lens Diameter. Celestron Ultima 100 mm refractor features excellent multi-coated optics packed into a portable and durable refractor design and comes standard with a 22-66x. Coupled with a medium f/7. Thus a chunk of eyepiece only about 1 mm wide will have been used to get the rays from that star set up to go into your eye. Shop with Afterpay on eligible items. Telescope focal length of 800mm, f/13. StarNavigator NG 102mm Achromatic Refractor Telescope. This refractor telescope is equipped with all the functions and features for your children to enjoy their hobby of observing and gazing at the stars. The Sky-Watcher ED-APO 80mm is a modestly wide-field telescope offering bright, wide swaths of sky in a single view. The figure contrasts the images produced when employing a simple achromat (left) having an aperture of 80mm and an f/5 focal ratio and a semi-apochromat using a FPL-53 doublet, also with an 80mm aperture but with a focal ratio of f/6. With an 80mm objective lens and 350mm focal length (f/4. The Vixen VSD 100mm f3. Vendor iOptron Regular price $ 129. 5 Refractor Telescope The ED80Sf refractor was originally classified as an entry-level telescope, but after receiving high praise from more experienced astronomers, Vixen may need to re-categorize it. A 200mm or larger telescope with a focal length of 1500mm will give a much better view. 8 Visual Back: 31. There are basically two different types of telescope. What is the difference between a refractor and reflector telescope? A refractor uses two glass lenses to gather the light from an object in the night sky. 25” diagonal. A lot of 100mm users stray toward hyperbole when describing this lens. This 80mm APO refractor comes with a two-inch Crayford-style dual-speed focuser. While these are just the latest in my inventory, I have owned maybe 20 telescopes in the last 10 years. Meade 80 mm Telescope Series 5000 ED APO Apochromatic Refractors offer some of the finest views in all astronomy at their respective apertures. Item #26145- Vixen VSD 100mm. First Option: Refractor, Reflector or Catadioptric. 25" compression ring adapters. I stand by the rule of thumb though; at least 80mm refractor or 6 inch reflector, 127mm is just too small a primary. 5 mm General. 5″ aperture and 910mm focal length for crisp views of deep-sky objects, the Moon, and planetsTrack objects across the sky with the included EQ-2 equatorial mount and its manual slow-motion controlsIncludes two. The EON 130mm Triplet ED Refractor features an extendable dew shield that further ensures excellent contrast and helps inhibit dew formation on the lens. Its multi-coated 80mm objective doublet contains one element crafted from extra-low-dispersion FPL-53 glass. 25" adapter and base flange). 80 mm: Payload: 6 kg: Fine focusing: 1/10: Special feature: Micro-geared drive system made of diamonds: Bearing: Roller-Bearing, 10 mm width, adjustable: Clear aperture: 55 mm: Drawtube outer diameter: 63 mm: Telescope side connection: dovetail and M68x1 male thread: Focus side clamping: S58 dovetail ring-clamp for accepting of S58 direct. Got this Chineese 80mm refractor from Aliexpress, which apparently has good optics, but the rest is so so. 100mm 900mm focal ([email protected]) for refactor on a eq6 should be sturdy. It even comes with a convenient carrying case so you can easily take it with you wherever you go. The Explore Scientific 80mm FCD100 Refractor will show you the beauty of the barren lunar landscape with perfect clarity. I can't justify spending too much money yet, so I'm looking for something to get me started. Vixen ED80sf 80mm f/7. My first choice was an NP-101. Specifications: Explore Scientific 127ED Apochromatic Refractor. 003 mm) to 180 μm (0. The air spaced apochromatic triplet lenses use the remarkable Ohara FPL-53 ED (extra low dispersion) glass, with exceptional colour correction over the. 120mm and having a good number of hours with 80mm, 100mm and 120mm refractors I really wanted the extra lightgrab Price: I did not have a budget. Heres my question: How much does the extra 26% aperture really contribute to visible improvement? I realize this is somewhat open-ended, so heres my situation, and why I am asking. 100mm 4" (f/900) ed apochromatic refractor telescope (complete with 0. Jupiter with the 6″ “The Beast” refractor. A star test shows a near perfect optical figure. Help us to grow by adding additional equipment to the database. iStar 127 mm (5”) R30 F/12 Doublet Refractor. Refractor scopes that are 80mm are relatively small devices that use special lenses to magnify the images of distant objects. A 200mm or larger telescope with a focal length of 1500mm will give a much better view. Orion introduced the ProED 100mm refractor telescope which is another entry-level model which makes beginners much better overnight. The 9×50 RACI finderscope is the same low-cost unit sold with many telescopes. Learner Needs Help…ED 80mm or ED 100mm or Equinox series Equipment Discussions. Refractor telescopes for sale at Astronomics. Technology of DT Swiss OPM O. 25" eyepiece gets a respectable 2 1/3 field of view, with no false colors and not too much coma. Since this is a refractor, the DX 102 also comes with a 1. MM Apparent Field Of View Degrees Calculated Results Calculated Magnification X Calculated True Field Of View Degrees Updated 8. Reflector telescopes provide good imaging and the best bang-for-buck in terms of power but are big, heavy and harder to use. I also have limited experience with brands such as William Optics, Explore Scientific, Skywatcher etc. This is a very easy to use micrometer to millimeter converter. The Explore Scientific FirstLight telescope series is geared for both observers that want to view the solar system as well as those that want a deeper look into the cosmos! A telescope, sturdy mount, eyepiece. com, of which telescope & binoculars accounts for 7%, other optics instruments accounts for 3%, and lenses accounts for 1%. If you are unsure of what to look for in a new telescope, then the Gskyer Infinity provides the best mix of quality and features, such as a superb 90 mm aperture and excellent optical clarity. 5 is the ultimate all-in-one zoom lens designed specifically for DSLR imaging. The air spaced apochromatic triplet lenses use the remarkable Ohara FPL-53 ED (extra low dispersion) glass, with exceptional colour correction over the entire visible spectrum there is no chromatic aberration even on bright objects!. 2 lb) due to the larger OTA and the DX mount upgrade, but it is still quite portable. A distinction is made between refractor (lens) and reflector (mirror) telescopes. The variety of types impact the ability of the user to see certain items or objects. The 80mm scopes are a real step up in quality both in optics and the mount, so that is the one I would choose in the range you suggest. 80mm f/5 normal achromat (Meade Infinity 80mm) + Quark; or Lunt 60 single stack, then I later save another $1600 to double stack it I got lost between the pros/cons of the 2 options here Like I would love to get both if I can afford and just rest my brain but I got only to choose one. Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures of the Messier catalog with Explore Scientific’s 115mm FPL-53 Apochromatic Refractor. Millimeters to Centimeters (mm to cm) conversion calculator for Length conversions with additional tables and formulas. Best Products. The refractor forehead rest has a range of 25±2 mm to accommodate more patients. Vixen's Fluorite "grab and go" refractor is the perfect small lightweight, short tube apochromatic telescope for the most discerning astrophotographer or observer. The scope has a nominal diameter of 80 mm and an effective aperture of 77 mm with 900 mm focal length (f/11. The 60 and 76mm refractor telescopes each have 3 eyepieces (size not specified), a 3X Barlow lens and a magnification range of 35X - 525X. I'd think that an 80mm ED scope would be better if a little slower ~f7. order information example 1. Need advice on 80-100mm refractors for AP I'm in the market for a new scope pretty much exclusively for AP (currently with a dslr), and it seems that something in the ~80mm range would be the best fit for me. 5mm => 32x 10mm => 40x 10mm + 2x barlow 5mm => 80x 10mm SMA vs 10mm Xcel: Xcel defintely gives more wide field and better eye relief. With catadioptric (Cassegrain) telescopes, you can view true-to-life images day or night. 5" dual-speed Rack-and-pinion focuser with precise 10:1 fine focus control. 5 x aperture in mm (ie. The spotting scope refractor is one of the best terrestrial telescopes, with its compact size and simple operation. This is essentially the same scope as the ES-ED0806-01 but offering greater quality optics. The FC-76DC and DS are optically identical. So, I recently finished my refractor telescope. Orion 9946 ShortTube 80-T Refractor Telescope. Portable 80mm, f/5 refractor telescope optical tube at a great price Pop it on your favorite mount or use it as a guide scope for astrophotography Newly upgraded aluminum rack-and-pinion focuser eliminates drawtube flexure when focusing. These actuators are available in an "S", "P", "R" or "I" control option. 5" Reflector can see same objects Example: dozens of globular clusters, emission nebulas, planetary nebulas, and galaxies; all of the Messier objects and many of the brighter NGC objects from a dark sky site. Building a Refractor telescope at home is a much more difficult proposition than building a Reflector which requires only one surface to figure. 25" eyepieces with a low magnification and big apparent field of view) sized DSOs (nebulae, galaxies and star clusters) the reflector will have an advantage due to its aperture. Omegon Apochromatic refractor Pro APO AP 100/580 Quadruplet OTA. An ever-growing list when we review a telescope. I have not seen the new Brandon 80mm, but our group has two of the older 80 mm scopes they sold about 10 years ago. Welcome to the Gskyer Infinity 80 mm AZ Refractor Telescope Review, and hopefully this is an introduction for you or your family to the wonderful world of astronomy. It's the first professional-grade 5X zoom lens specifically designed for APS-size CCD image sensors -- providing incredible precision in a single compact, easy-to-carry lens that carries you from 24mm wide-angle to 120mm telephoto (35mm equivalent). The iOptron® 80mm refractor (R80) is a fantastic astronomy telescope that is portable enough to take anywhere. I have noticed a considerable jump in what you can see between 100mm vs. Technically, a 100mm Newtonian could be approximately equal to an 80mm refractor - But it would have to be parabolic - Many smaller telescopes (Up to 150mm ar NOT parabolic and this detracts from the qualtiy of the image, giving poor results). You'll find new or used products in 61-100mm Refractor Telescopes on eBay. Optical Design: Refractor Aperture (mm): 80 mm (3. 99 Price : $549. Most modern macros of 90-105mm are quite good. With an 80mm objective lens and 350mm focal length (f/4. 5 refractors, how long are they likely to stay collimated?. Portable 80mm, f/5 refractor telescope optical tube at a great price Pop it on your favorite mount or use it as a guide scope for astrophotography Newly upgraded aluminum rack-and-pinion focuser eliminates drawtube flexure when focusing. The test was shot on a RED Epic Dragon and recorded at 6K HD. Apo Tele Vue 85 mm F/7 Apo ADVIX 100 mm F/15 2-lens Achromat Zeiss AS 100/1000 Semi-Apo Vixen 102 mm F/9 , 2-Lens Fluorite Apo Takahashi FS 102 mm F/8, 2-Lens Fluorite Apo Takahashi 102 mm F/10 2-Lens Related manuals. The FC-76DCU model features a fixed dew shield and smaller, 80 mm diameter barrel for the same performance in a package featuring reduced weight and overall length. Re: 80mm APO vs. Where as you can get a reflector telescope with a mirror of 6 inches for a couple hundred dollars and an 8 inch mirror for around five hundred dollars. How do refractor telescopes work? Telescopes have a simple design but can be complex in use. Like its name implies this refractor telescope boasts a compact design, making it ideal for travel. Award Winners 8 mm, 12. "S" series linear actuators are a simple 2-wire device controlled via reversing polarity. I often see newcomers to deep-sky astrophotography starting with a telescope that will make an already-challenging hobby even more difficult. I have a 80mm triplet for DSO imaging and I am afraid I felt in love with refractors. 4-inch) f/11. This is a powerful refractor featuring a multi-coated 90mm objective lens of 910mm focal length (f/10). load capacitance: 5. TRS-6100 Automated Refraction System The TRS-6100 Automated Refraction System is comprised of a control panel with a large 10. astronomy - Baader Planetarium. Getting an eyepiece with a long enough focal length and large enough barrel to get the same field as the f/5 is not very practical (would require a 60mm focal length eyepiece and barrel larger than 2. Lunt Apparel; Calcium K Modules; White Light Wedges; White Light Filters; Lunt Blocking Filters; Eclipse Products; HelioStats; Night Products. Click to read more < 500 mm (90). So make sure you are comparing similar types of refractors. Orion 9946 ShortTube 80-T Refractor Telescope. Side Refine Panel. Don Yeier, the owner of VERNONscope, gave them to us. I often see newcomers to deep-sky astrophotography starting with a telescope that will make an already-challenging hobby even more difficult. Price is a major factor to consider when you’re in the market for a refractor telescope. 2" Twist-lock Eyepiece Barrel Extensions, Self Centering, 35, 50 and 80mm Lengths Antares 1. Vixen made Fluorite Apos were for a time available in 70mm, 80mm, 90mm and 102mm but now only the 80mm and 102mm models remain in production. Then the image resolution at this magnification = 120/30 = 4 arcseconds. A telescope with an aperture of 100mm (100x2. From the Manufacturer. Im hoping for some advice from people with experience with these focal lengths and brands. The fluorite, although it is not displayed follows the apochromatic curve at less than 3 microns apart. The Gskyer Infinity AZ 80 mm is very impressive. As long as you have a refractor design telescope with a large aperture (and minimal light pollution), it can create some great image quality. Reflector telescopes provide good imaging and the best bang-for-buck in terms of power but are big, heavy and harder to use. Granted, refractor telescopes sometimes suffer from chromatic aberration. 5 telescope from Explore Scientific is a air-spaced doublet achromatic refractor with chris w I see double vs triple achromat? is one better for resolution of the image? or brightness?. At only 22. At the back end of the EON 130mm Triplet ED, you'll find a new heavy-duty 2. Quick view Primalucelab - DX finder base for AIRY refractors. Celestron Omni XLT 354x150 Telescope - 354x 150 mm Celestron Omni XLT 150 Reflector Telescope Price: $499. 5 mm, a Pentax XW 5 mm, a Pentax XO5 and in one case even the Pentax XO 2. If you're comparing a 70mm achromat to an 80mm ED (both of which Orion sells) there will be more than aperture causing the price difference. 25" eyepieces with a low magnification and big apparent field of view) sized DSOs (nebulae, galaxies and star clusters) the reflector will have an advantage due to its aperture. 200x75 channel means, the Web height = 200mm & Flange width = 75mm. Either a 100mm f7 refractor or 150mm f5 Newtonian. Since the lens was designed to cover Super 35mm film, this test illustrates how the lens performs beyond what it was intended to handle. 2019 · An 80mm apo is a very enjoyable scope to use visually, but you'll notice a significant improvement in both brightness and detail through a 102mm apo. The Sony 16-80mm f3. A Telescope aimed at the night sky can give you an incredible view of the stars that make up the constellations. Stellarvue SVA130T 130mm Triplet APO Refractor Telescope Stellarvue's SVA refractors are an advanced optical design producing high contrast, bright images with zero chromatic aberration. A 6" refractor ? Yes, but why ? Modern acromats do not suffer too much coma and false color troubles, but a humble 150 mm f/5 refractor is in the 5. 5" Reflector can see same objects Example: dozens of globular clusters, emission nebulas, planetary nebulas, and galaxies; all of the Messier objects and many of the brighter NGC objects from a dark sky site (with some internal detail visible in many nebulas, although most galaxies will. To see how each type of telescope focuses light go to the "How Telescopes Work" page. Browse the top-ranked list of Best 80mm Refractor Telescope below along with associated reviews and opinions. 100mm 900mm focal ([email protected]) for refactor on a eq6 should be sturdy. frequency: 3. 2" (80mm), Type: Refracting Telescopes. Grab `n` Go Refractors. 90 mm Maksutov-Cassegrain Multi-function motorized alt-azimuth mount Solar filter Solar finder 5×24 finderscope Mounting FREE SHIPPING. A telescope comparison table to compare the features of some of the leading telescopes on the market. Similarly the 70mm at f6. 15") Multipurpose Apochromatic Refractor Above: Orion 80 mm ED Apochromatic Refractor Telescope. For those adventurous stargazers, especially beginners, the Celestron portable refractor telescope sure fits the bill. 100mm 900mm focal ([email protected]) for refactor on a eq6 should be sturdy. - Focal Length: 600mm - Objective Lens: 50mm - Eyepiece Diameter: 0. 7 × 28 by the C. The brightness gives the telescope the ability to target distant objects in the deep sky, so that you can see things like the Orion Nebulae that smaller telescopes would likely miss. Meade’s Series 6000 80mm is a 80mm aperture, Triplet Apochromatic (APO) Refractor with 480mm (f/6) Focal Length. This usually uses a 70-80mm Newtonian reflector or a 50-80mm refractor. So, I recently finished my refractor telescope. BARSKA Anchormaster 36x80mm Brass Refractor Telescope w/ Mahogany Floor Tripod. As a star struck 8-year-old it represented the ideal image of how a telescope should look. 25" rack-and-pinion focuser ensures your observing target will snap into sharp focus effortlessly. Comet C/2006 M4 Swan. To achieve a good setup with the M-uno D and long refractors some extra item could be required, as extra Counterweight shaft (145 mm, 85 mm, 60 mm are available), extra Counterweight (1,4 Kg, 0,55 Kg) and a Miniextender (130 mm, 105 mm, 80 mm, 55 mm). You'll find that astronomical viewing is a delight with this large, powerful 4" telescope. You will never be disappointed if you choose SV503. 00 Visit Store. A 200 mm F4 (800 mm FL) is getting toward a little too narrow a TFOV compared to what I was What about 100mm binoculars? I have the 25x100mm Celestron Skymasters and love them, with Barry the other refractor that cures all the CA problems and gives 3. BBC Sky at Night Magazine’s Reviews Editor Paul Money weighs in on the refractor/reflector debate. A Telescope aimed at the night sky can give you an incredible view of the stars that make up the constellations. The Celestron Omni XLT102 Telescope by Celestron has a large 102mm Lens that is capable of giving a great image of the Moon, Saturn and its rings, Jupiter and its moons, nebulae and star clusters. So make sure you are comparing similar types of refractors. If you want a second opinion on the ED80, talk to anyone that owns one! I am certain that they feel the same way. The refractor forehead rest has a range of 25±2 mm to accommodate more patients. This is essentially the same scope as the ES-ED0806-01 but offering greater quality optics. With the dedicated C0. Painted ultra flat black inside. Whether it is the superior optics or easy portability, this instrument is packed with highly-functional features to witness the beauty of the night sky. 5") aperture and 910mm focal length for crisp views of deep-sky objects, the Moon, and Amazon Bestsellers Rank: 41,921 in Electronics & Photo (See Top 100 in Electronics & Photo). load capacitance: 5. The iOptron® 80mm refractor (R80) is a fantastic astronomy telescope that is portable enough to take anywhere. Perfect for daytime observing and night-sky stargazing, the Meade ETX80-RT Observer Achromatic Refractor Telescope has a high-quality 80mm lens that allows you to view planets, stars, galaxies and nebulae with the push of a button. The ED80Sf refractor features high-grade glass and quality components. I've never done anything approaching a side-by-side comparison but I get. Either a 100mm f7 refractor or 150mm f5 Newtonian. com, of which telescope & binoculars accounts for 7%, other optics instruments accounts for 3%, and lenses accounts for 1%. frequency: 3. A 6" refractor ? Yes, but why ? Modern acromats do not suffer too much coma and false color troubles, but a humble 150 mm f/5 refractor is in the 5. Shop with confidence on eBay!. We use Hoya FCD100 optics which is very similar in characteristics as Ohara FPL-53. Technically, a 100mm Newtonian could be approximately equal to an 80mm refractor - But it would have to be parabolic - Many smaller telescopes (Up to 150mm ar NOT parabolic and this detracts from the qualtiy of the image, giving poor results). Most modern macros of 90-105mm are quite good. 1 x network connection (LAN 10 / 100); fully isolated 2MOPP. You will never be disappointed if you choose SV503. Virtual Pathfinder video "Refractor vs Catadioptric Telescope - Comparison: Celestron C90 MAK vs Skywatcher Evostar 72ED" SkyWatcher Evostar 150 ED is the apochromatic refractor with 150mm diameter and 1200mm focal length (f/8), doublet ED lens. The old 80mm was an excellent scope and gives very fine images. 25mm SMA vs 25mm Elux The scope came with the SMA EPs, but i am just trying if better EPs can make a huge difference for a newbie observer. 6) for vivid images of distant subjects. 25" eyepiece gets a respectable 2 1/3 field of view, with no false colors and not too much coma. So I don’t say equal, I say similar. A refractor telescope has the eyepiece located on the back of the instrument, while the eyepiece will be located on the side of a reflector. Lunt adapter plate for mounting LS50/60FHa onto an optical tube with 81 to 100 mm front outer diameter. Diameter: 80mm Focal Length: 480mm Focal Ratio: f/6. Gskyer vs Orion vs Celestron vs Meade Instruments Telescopes Buyer's Guide When it comes to Telescopes, the companies Gskyer, Orion, Celestron, and Meade offer the best products. you just need a scope collection 400mm,600mm,900mm,2000mm, 3meters ;p. 102 mm Refractor versus 140 mm Maksutov; Vixen ED102 vs OMC140 by John Baars 102mm refractor versus 140mm Maksutov Vixen ED102S vs. Like its name implies this refractor telescope boasts a compact design, making it ideal for travel. With the dedicated C0. I Should Have Started with a Refractor. It was a model 9TE-5 Tasco 60 mm (2. Since the lens was designed to cover Super 35mm film, this test illustrates how the lens performs beyond what it was intended to handle. 8" Bud and Lou in the soft snow, 3. Meade Infinity 102 is a four-inch grab and go telescope suitable for wide field observation of the moon and brighter deep space objects. The popularity of our previous short tube refractor models inspired us to go a step further with the introduction of our NexStar 102SLT. Also Altair Astro 102m ED doublet. The tube is white, well finished, provided of a Taiwanese-made Crayford focuser with 1:10 reduction which is very useful for focusing at high powers and during high resolution imaging. Click to read more < 500 mm (90). frequency stability at 25 °C: 6. 25" compression ring adapters. The Explore Scientific ED APO 102mm f/7 Deluxe FCD-100 Hex-Focus is a short focus refractor. The Celestron Omni XLT102 Telescope by Celestron has a large 102mm Lens that is capable of giving a great image of the Moon, Saturn and its rings, Jupiter and its moons, nebulae and star clusters. I stand by the rule of thumb though; at least 80mm refractor or 6 inch reflector, 127mm is just too small a primary. These employ 3-inch Linear Power focusers and can be supplied with dedicated field flatteners. 5 Best 80mm Telescope Models Best 80mm ED Refractor Orion ED80 80mm Apochromatic Refractor Telescope. If you want a second opinion on the ED80, talk to anyone that owns one! I am certain that they feel the same way. It?s the ideal telescope for those observing on the go. Because that is what is on offer, with this incredibly versatile 80 mm telescope, which is light enough to pack up and take with you when you travel, easy enough to set up in your. A refractor style telescope that has a strong focal length converges light at a quality rate. In order to minimize chromatism of a single-lens objective, refractors of this type grew in length well beyond practical limits, but their aperture remained quite limited: the 57mm 11-foot lens with which Christian Huygens discovered Titan in 1655 was comparable to a 100mm ƒ/3. Millimeter value will be converted. 5 cm) objective refractor was installed in the Newall telescope. The fit-and-finish show this is very much a quality scope; nothing was done 'on the cheap'. We have reviewed the best Telescopes each brand offer. The large one collects the light from a distant objects and amplifies it so that the image is much brighter than what the eye normally. Despite their lighter weight and smaller size, 80mm refractors eyepieces can still provide robust visual representations of nearby heavenly bodies that include many of the nearby planets like Venus, Mars, and the gas giants. See full list on weasner. Doublet Apo VS Triplets APO Image clarity: Generally,doublet Apo is not good as triplets APO. 2" (80mm), Type: Refracting Telescopes. frequency: 3. The StarBlast 90mm Altazimuth Travel Refractor features an antireflection coated 90mm achromatic lens system with a 500mm focal length (f/5. I AM SELLING LOTS MORE THINGS - PLEASE HAVE A LOOK! ANTARES SENTINEL TELESCOPE D80/F480 F/6 This is a Antares Sentinel D80/F480 F/6 Telescope Refractor, its used but in good condition, comes with trip. Don Yeier, the owner of VERNONscope, gave them to us. We examined nine hot Cassini telescopes over the previous year. Since this is a refractor, the DX 102 also comes with a 1. I have not seen the new Brandon 80mm, but our group has two of the older 80 mm scopes they sold about 10 years ago. Products Refractor Telescopes. Bushnell Voyager Sky Tour 78-9970 telescope - refractor overview and full product specs on CNET. 5-inch (470 mm) aperture great refractor telescope for Dearborn Observatory, which was one of the largest refracting telescope lens in existence at the time, and the largest telescope in the United States. Millimeters to Centimeters formula. Esprit 80mm ED Triplet APO Refractor. 2 Inch Tube for Refractor Astronomical Telescope Photogragh Caon DSLR 50D 60D 5D 7D 550D 600D 1100D T3 T3i T2i Screw：M42X0. This full featured refractor telescope will amaze and astonish you with its outstanding views of the Moon, Saturn's Rings and plenty of deep-space objects such as the Beehive. 16 in) Magnification of Eyepiece 2: 225 x Barlow Lens: 3 x Finderscope: 5×24 Star Diagonal: 1. The quality 80 and 100mm refractors are very expensive. 4", this is our ultimate grab-n-go APO travel scope. 90 mm Maksutov-Cassegrain Multi-function motorized alt-azimuth mount Solar filter Solar finder 5×24 finderscope Mounting FREE SHIPPING. Manufactured from quality elements, this refractor features high-grade glass and multi-coated opt. Browse the top-ranked list of Best 80mm Refractor Telescope below along with associated reviews and opinions. Im hoping for some advice from people with experience with these focal lengths and brands. It is virtually unused. This full featured refractor telescope will amaze and astonish you with its outstanding views of the Moon, Saturn's Rings and plenty of deep-space objects such as the Beehive. 1") aperture gives bright, sharp images for both land and celestial objects. Methinks it is the high quality of the premium product coupled with the inherent "sexiness" and attractiveness of a small telescope that seduces people into buying an inexpensive medium-slow 80mm APO telescope. Orion Short Tube 80 piggyback, SBIG ST-7E, 30 sec * 12. The spotting scope refractor is one of the best terrestrial telescopes, with its compact size and simple operation. It was a model 9TE-5 Tasco 60 mm (2. 120mm and having a good number of hours with 80mm, 100mm and 120mm refractors I really wanted the extra lightgrab Price: I did not have a budget. Explore the planets and scan the heavens for bright deep-sky gems with the compact and low-cost Orion ShortTube 80mm refractor telescope. Where to buy the SVBONY Astronomy Telescope 60mm Refractor: Comparison Of The Gskyer 80mm AZ Vs The Celestron 70mm Travel Scope. Visionking 20-60x80 Bak4 Waterproof Spotting Scope Telescope W/tripod Birding. This is an all new design from Explore Scientific and offers greater qualit. Share this post. That's the difference between Rhea and Tethys (and Iapetus and Enceladus, but they'd be tough targets in any four inch!). Meade’s Series 6000 80mm is a 80mm aperture, Triplet Apochromatic (APO) Refractor with 480mm (f/6) Focal Length. As it says in the article, under 5″127 mm, I give the refractor about a 1-inch advantage, or about 25 mm. Explore Scientific. Get the best deals on Refractor Telescopes 61-100 mm Objective Lens Diameter. Today I had the chance to finally unbox my new Meade Series 5000 80ED APO & out came a scope of a different breed. Using a 38mm Orion Q70 eyepiece both clusters are framed beautifully and show sharp pinpoint As far as 1. 100mm Aperture Refractor Telescopes. Adapters for the popular Celestron 80ED and 100ED refractors are also available. It?s the ideal telescope for those observing on the go. A telescope with an aperture of 100mm (100x2. With cutting edge “GoTo” electronics, including a talking hand controller, the StarNavigator 102. 00 Altair Wave Series 80mm F6 APO - $1,325. I AM SELLING LOTS MORE THINGS - PLEASE HAVE A LOOK! ANTARES SENTINEL TELESCOPE D80/F480 F/6 This is a Antares Sentinel D80/F480 F/6 Telescope Refractor, its used but in good condition, comes with trip. 25" (56,374 Bytes). 25" compression ring adapters. Explore Scientific 127 mm f/7. 1") aperture gives bright, sharp images for both land and celestial objects. But this is a minor problem. Either a 100mm f7 refractor or 150mm f5 Newtonian. The iOptron® 80mm refractor (R80) is a fantastic astronomy telescope that is portable enough to take anywhere. Achromatic Refractor 120mm Diameter 600mm Focal Length F/5 F/Ratio 240x Highest Practical Power This Sky-Watcher 120mm (4") f/5 telescope is a two-element, air-spaced, fully multi-coated objective, achromatic refractor, which can give exciting "rich field" astronomical views. It was a model 9TE-5 Tasco 60 mm (2. The Orion 120mm ED has been this budgetboy's dream since the day I bought the 80ED. Best Products. order information example 1. 5" focuser, 2" and 1. Explore Scientific FirstLight telescopes are designed to be easy to use and affordable making them a perfect choice for STEM, astronomy outreach and beginner astronomers. Optical Design: Refractor Aperture (mm): 80 mm (3. It is sold as a tube-only configuration packaged with tube rings, two focuser-extension adaptors and a star diagonal. Temporarily Out of Stock, But More are On The Way! The Explore Scientific ED80 FCD100 Series is Available for Back-Order Purchase or Layaway. Telescopes are used by amateur astronomers to discover the secrets of space, view meteor showers and gaze upon the moon. 18 mm) uses a mirror (reflecting optics). August 2013 -- It's that time of year again for me to start thinking about what I want to purchase for my annual "Astro Splurge". Deep sky observing: 1 (60mm refractor), 3 (75-80mm refractor or 90mm reflector), 5 (4" refractor or 4. 5" dual-speed Rack-and-pinion focuser with precise 10:1 fine focus control. Im interested in purchasing an Apochromatic refractor triplet but Im not experienced in anything over 100mm. If it looks like Vixen, and acts like a Vixen, it MUST be a Vixen? No - the optics at least are supposedly made in China. Astronomics is a family-owned business that has been supplying amateur astronomers, schools, businesses, and government agencies with the right optical equipment and the right advice since 1979. Heres my question: How much does the extra 26% aperture really contribute to visible improvement? I realize this is somewhat open-ended, so heres my situation, and why I am asking. 25" compression ring adapters. 5-5" refractor or 6" reflector), 7 (5. Fully-illuminated image circle is 45mm. TOWA Vintage 80mm Refractor. Help us to grow by adding additional equipment to the database. Item #2603- Vixen A80Mf Refractor Telescope. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. 00 (Save 26%) $169. You will get more bang for your buck with a reflecting telescope. The iOptron® 80mm refractor (R80) is a fantastic astronomy telescope that is portable enough to take anywhere. The big advantage of the refractor, with its faster cooling down time, was clear. If you’re looking for the best Orion 80mm telescope, you might want to consider the 9946 ShortTube. Seeing the companion of Polaris using an 80 mm f/5 refractor: My son surprised me with an 80 mm f/5 refractor for a birthday. In tests, we struggled to see any colour fringing around the edge of bright stars or the Moon. Find out more about the Meade ETX80-RT Observer Achromatic Refractor Telescope. Millimeters to Centimeters formula. Gibbous Waning Moon. This is true of the refractor design in general, due to the unobstructed optics. 8 magnitudes dimmer. astronomy - Baader Planetarium. Modern glass has vastly increased this designs desirability but only at the higher end of the price scale. With catadioptric (Cassegrain) telescopes, you can view true-to-life images day or night. China Refractor manufacturers - Select 2020 high quality Refractor products in best price from certified Chinese Optical Instrument manufacturers, Measuring Gauges suppliers, wholesalers and factory on Scale: Medium. Whether it is the superior optics or easy portability, this instrument is packed with highly-functional features to witness the beauty of the night sky. A 80mm refractor does not suffer from this, and if well made can offer sharper views than the ETX. The scope was triple boxed, with the. Perfect Color Correction. As a star struck 8-year-old it represented the ideal image of how a telescope should look. How many mm in 1 cm? The answer is 10. Its focal length is 420 mm. Similarly the 70mm at f6. maximum useable magnification is 2 to 2. So make sure you are comparing similar types of refractors. The SVX102T includes: Stellarvue 3" focuser; 2" and 1. Perfect for daytime observing and night-sky stargazing, the Meade ETX80-RT Observer Achromatic Refractor Telescope has a high-quality 80mm lens that allows you to view planets, stars, galaxies and nebulae with the push of a button. Also Altair Astro 102m ED doublet. A distinction is made between refractor (lens). OMC140 Preface Some years ago I bought an older Japanese Vixen ED 102 f / 9 refractor from the Nineties. 80mm apochromatic refractor keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. 5" Reflector can see same objects Example: dozens of globular clusters, emission nebulas, planetary nebulas, and galaxies; all of the Messier objects and many of the brighter NGC objects from a dark sky site. A simple telescope, called a refractor, has two lenses. The Sky-Watcher 100mm Esprit 80ED Triplet APO Refractor is a professional instrument for the most demanding and exacting astro-photographers. 5" HEX Focuser; Integrated Vixen-Style Dovetail, Explore Finder Scope Base installed on scope; 99% Reflective 2" Diagonal. It gives superb views of the Moon and planets at high power. f = 100 mm f = 1270 mm f = 750 mm. Got this Chineese 80mm refractor from Aliexpress, which apparently has good optics, but the rest is so so. In order to minimize chromatism of a single-lens objective, refractors of this type grew in length well beyond practical limits, but their aperture remained quite limited: the 57mm 11-foot lens with which Christian Huygens discovered Titan in 1655 was comparable to a 100mm ƒ/3. What is best: refractor vs reflector vs catadioptric telescopes. FC-76DS The FC-76DS model features a retractable dew shield and 95 mm diameter barrel. 40") • Minimum focuser height (with 1. Observing with SW EvoStar 80ED 80 mm Refractor Fortunate indeed is the amateur astronomer with a SW ED-APO 80 mm refractor on a clear night with transparent skies and a stable atmosphere. A 200mm or larger telescope with a focal length of 1500mm will give a much better view. The PowerSeeker 80EQ is yet another entry level 80mm refractor scope and once again it’s a pretty solid one costing around $115 – $150. 25" 90° Diagonal; Plossl 25mm eyepiece; and Red-dot Finder; Smartphone Camera adapter. TOWA Vintage 80mm Refractor. Aperture: 120mm is a really nice spot. I often see newcomers to deep-sky astrophotography starting with a telescope that will make an already-challenging hobby even more difficult. First Option: Refractor, Reflector or Catadioptric. It is virtually unused. My bike is setup with 100mm CS front, 80mm HRD rear. These actuators are available in an "S", "P", "R" or "I" control option. 1 x network connection (LAN 10 / 100); fully isolated 2MOPP. 00 (Save 26%) $169. 5 Best 80mm Telescope Models Best 80mm ED Refractor Orion ED80 80mm Apochromatic Refractor Telescope. The test was shot on a RED Epic Dragon and recorded at 6K HD. So a 76 mm reflector would be similar in effective light-gathering to a 50 mm refractor. The Lunt Solar Systems LS80THa/PT (pressure tuned) is a complete and dedicated solar telescope. The 60mm scopes available nowadays have truly horrible mounts and will really frustrate you. 200x75 channel means, the Web height = 200mm & Flange width = 75mm. Shop from the world's largest selection and best deals for 101-140mm Refractor Telescopes. Connectivity. It is sold as a tube-only configuration packaged with tube rings, two focuser-extension adaptors and a star diagonal. 5 Best 80mm Telescope Models Best 80mm ED Refractor Orion ED80 80mm Apochromatic Refractor Telescope. From the Manufacturer. com - Jamie Carter. 79 in) Magnification of Eyepiece 1: 45 x Focal Length of Eyepiece 2 (mm): 4 mm (0. The Stellarvue SV80ST-VS Visual Telescope includes: Stellarvue 80 ST Apo Refractor OTA with 2. The test was shot on a RED Epic Dragon and recorded at 6K HD. Portable 80mm, f/5 refractor telescope optical tube at a great price Pop it on your favorite mount or use it as a guide scope for astrophotography Newly upgraded aluminum rack-and-pinion focuser eliminates drawtube flexure when focusing. 5" HEX Focuser; Integrated Vixen-Style Dovetail, Explore Finder Scope Base installed on scope; 99% Reflective 2" Diagonal. Here is a Vixen FL80S, 80 mm aperture, 640 mm focal length, f/8 refractor optical tube assembly in mint condition. Using a 38mm Orion Q70 eyepiece both clusters are framed beautifully and show sharp pinpoint As far as 1. If you have always wanted a serious apo refractor, this may be the one for you. I have a 25mm and 9mm eyepiece. FREE SHIPPING (48 States) $798. Buy Celestron 80mm Refractor Telescopes and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. The Refractor The refractor telescope has been around for centuries. Thanks to that feature you will be able to precisely adjust the optics of this telescope to get the most beautiful crisp images of the objects you are observing. A 200 mm F4 (800 mm FL) is getting toward a little too narrow a TFOV compared to what I was What about 100mm binoculars? I have the 25x100mm Celestron Skymasters and love them, with Barry the other refractor that cures all the CA problems and gives 3. Regular price. Orion 9005 AstroView 120ST Equatorial Refractor Telescope List Price : $569. So our 80mm scope will enable us to see objects 5. 600 mm focal is a really good length i would say a all rounda. The scope has a nominal diameter of 80 mm and an effective aperture of 77 mm with 900 mm focal length (f/11. Sky-Watcher ProED 100mm Doublet APO Refractor Telescope If you’re at least an intermediate astronomer looking for a telescope that’s excellent at what it does (and doesn’t require selling a kidney to buy it), we recommend the Sky-Watcher ProED 100mm. The 50AZ, 60AZ and 70AZ are the other telescopes from the same Power Seeker range. 1 kg range weight, compared with a 9 - 10 kg for a 150 mm refractor and even with a 32 mm / 1. This is another great beginner telescope with a very affordable price tag. These actuators are available in an "S", "P", "R" or "I" control option. Meade Polaris 80mm German Equatorial Refractor Telescope $229. 5-5" refractor or 6" reflector), 7 (5. frequency: 3. Its focal length is 420 mm. If you are unsure of what to look for in a new telescope, then the Gskyer Infinity provides the best mix of quality and features, such as a superb 90 mm aperture and excellent optical clarity. I'd go for a 80mm or 100mm refractor, or a spotting scope, the spotters are often cheaper. 3), the GoScope 80 refractor performs rather impressively for its modest size, collecting over 30% more light than its 70mm counterpart, and over 70% more light than a 60mm refractor. 1 x network connection (LAN 10 / 100); fully isolated 2MOPP. 5mm => 32x 10mm => 40x 10mm + 2x barlow 5mm => 80x 10mm SMA vs 10mm Xcel: Xcel defintely gives more wide field and better eye relief. These are general aperture guidelines for observing that assume very good optical quality and a medium. Bethel German. I can't justify spending too much money yet, so I'm looking for something to get me started. Lunt adapter plate for mounting LS50/60FHa onto an optical tube with 81 to 100 mm front outer diameter. G90 ;absolute positioning. I'd say this scope is at a sweet spot for cost vs performance/quality and well worth the. Need advice on 80-100mm refractors for AP I'm in the market for a new scope pretty much exclusively for AP (currently with a dslr), and it seems that something in the ~80mm range would be the best fit for me. This 80mm APO refractor comes with a two-inch Crayford-style dual-speed focuser. Esprit 80mm ED Triplet APO Refractor. A refractor style telescope that has a strong focal length converges light at a quality rate. HOWEVER,our doublet apo refractor features SFPL-51 lens,high quality Lanthanum glasses and spaced doublet lens structure,which makes our doublet Apo better than ordinary triplets APO. Technology of DT Swiss OPM O. Review and collect 50 points. 79 in) Magnification of Eyepiece 1: 45 x Focal Length of Eyepiece 2 (mm): 4 mm (0. A 200mm or larger telescope with a focal length of 1500mm will give a much better view. Using a 38mm Orion Q70 eyepiece both clusters are framed beautifully and show sharp pinpoint As far as 1. Reflector telescopes provide good imaging and the best bang-for-buck in terms of power but are big, heavy and harder to use. Im hoping for some advice from people with experience with these focal lengths and brands. At the back end of the EON 130mm Triplet ED, you'll find a new heavy-duty 2. I have noticed a considerable jump in what you can see between 100mm vs. FirstLight AR80mm White Tube Refractor with 640mm focal length f/8 telescope with fully-coated glass; Twilight Nano Alt/Az mount; 40mm draw tube focuser; 1. Add To Cart. A Review - The Orion ShortTube 80MM Refractor. The Case for Achromatic Refractors; Dumbbell Nebula Mars with a 102 mm refractor. Find helpful customer reviews and review ratings for Orion 9024 AstroView 90mm Equatorial Refractor Telescope at Amazon. For those adventurous stargazers, especially beginners, the Celestron portable refractor telescope sure fits the bill. Celestron Omni XLT 102mm Refractor Telescope 21088 is a versatile telescope with high quality optics and components, perfect for users of any level. A 200mm or larger telescope with a focal length of 1500mm will give a much better view. 5 whilst that of the 120mm and 150mm is the, rather more normal, f/7. I am looking for it to be quite transportable. 8 macro non-L for macro (insects, flowers, portraits). 80mm Astronomical Telescope: 400mm focal length and 80 mm large objective lens, fully coated optical all-glass lens create high transmission coatings for enhanced image brightness and clarity. Aperture: 127mm (5. Achromatic Refractor 120mm Diameter 600mm Focal Length F/5 F/Ratio 240x Highest Practical Power This Sky-Watcher 120mm (4") f/5 telescope is a two-element, air-spaced, fully multi-coated objective, achromatic refractor, which can give exciting "rich field" astronomical views. The 102SLT offers a 63% increase in image brightness over 80 mm models. f = 100 mm f = 1270 mm f = 750 mm. With an 80mm aperture triplet objective featuring FPL-53 extra-low dispersion glass, views and captured images come through true to color and exhibit tack-sharp resolution. With the dedicated C0. Aperture: 120mm is a really nice spot. Apochromatic Triplet Refractor. 7mm Push Fit w/Flip Mirror Diagonal Related Items. The FC-76DS model features a retractable dew shield and 95 mm diameter barrel. Perfect for daytime observing and night-sky stargazing, the Meade ETX80-RT Observer Achromatic Refractor Telescope has a high-quality 80mm lens that allows you to view planets, stars, galaxies and nebulae with the push of a button. Catadioptric telescopes come in two main types, Schmidt-Cassegrain and Maksutov. A wide variety of 80mm refractor options are available to you, such as civil telescope. This 80mm (3. The Explore Scientific FirstLight telescope series is geared for both observers that want to view the solar system as well as those that want a deeper look into the cosmos! A telescope, sturdy mount, eyepiece. If you don’t want to settle for a 70 or even 80 mm refractor, then consider the AstroMaster 90 EQ telescope with its 90 mm aperture that doesn’t break the bank. This finely crafted refractor telescope is a joy to look at as well as look through! Extremely compact at just over a foot long with its lens shade retracted, the f/8. This is essentially the same scope as the ES-ED0806-01 but offering greater quality optics. If they manufacture the 100mm in the same length as the 80ED you can probably expect more color and it may not be as good. How do these scopes compare with one another, and should you get one? Read on, and find out!. Grab `n` Go Refractors. Sky-Watcher ProED 100mm Doublet APO Refractor Telescope 1:57. Also using reflecting optics, the Hubble Space Telescope with Wide Field Camera 3 can observe in the frequency range from about 0. Perfect Color Correction. The best thing about this apochromatic refractor for astrophotography is that. Technology of DT Swiss OPM O. 100mm (portable APO to keep) - posted in Refractors : Every one talks about to keep a portable APO refractor, now my question is, 80mm or 100mm? whats the real diffrence in observation? Could anyone give some example?(eg: on saturn, DSO?). 99 Code : B0000XMSIE * Special discount only for limited time Product Feature Wonderful wide-field refract. The 80mm objective lens and short 400mm (f/5. To see how each type of telescope focuses light go to the "How Telescopes Work" page. 5 rather than f6. Diameter: 80mm Focal Length: 480mm Focal Ratio: f/6. We love those premium apo refractors as much as the next guy. The popularity of our previous short tube refractor models inspired us to go a step further with the introduction of our NexStar 102SLT. Sky-Watcher ProED 100mm Doublet APO Refractor Telescope. The figure contrasts the images produced when employing a simple achromat (left) having an aperture of 80mm and an f/5 focal ratio and a semi-apochromat using a FPL-53 doublet, also with an 80mm aperture but with a focal ratio of f/6. · Orion Sirius 80ED - 80mm refractor with ED doublet objective on Orion's medium-size German EQ mounts (standard or go-to). I often see newcomers to deep-sky astrophotography starting with a telescope that will make an already-challenging hobby even more difficult. But this is a minor problem. Re: 80mm APO vs. Check out that page to see how relatively trivial it is to make a quality 50mm to even 70mm refractor telescope of your own. He/She say that 80mm to 90mm Refractor and 4" to 4. 00 Add to Basket. Takahashi Epsilon 130 Accessory Package Bundle. Highlighted by a 2. 80mm f/5 normal achromat (Meade Infinity 80mm) + Quark; or Lunt 60 single stack, then I later save another $1600 to double stack it I got lost between the pros/cons of the 2 options here Like I would love to get both if I can afford and just rest my brain but I got only to choose one. How much closer will a 120 get your cameras frame to the various 80mm vs 120mm telescope for photographing planets - Photography Forum. 5 doublet achromatic refractor and a CG-5 mount. This is true of the refractor design in general, due to the unobstructed optics. Tele Vue 101 Petzval SD Apo, SDF. A simple telescope, called a refractor, has two lenses. Award Winners 8 mm, 12. Would love any input or feedback on this! Regards. Refractor and Reflector Telescopes. The FA* 200mm f/4 Macro would be even better, but my wife won't let me mortgage the house to buy one. With the dedicated C0. With 6 inch postmount disc mount for brake discs up to 210mm. Apo Tele Vue 85 mm F/7 Apo ADVIX 100 mm F/15 2-lens Achromat Zeiss AS 100/1000 Semi-Apo Vixen 102 mm F/9 , 2-Lens Fluorite Apo Takahashi FS 102 mm F/8, 2-Lens Fluorite Apo Takahashi 102 mm F/10 2-Lens Related manuals. Heres my question: How much does the extra 26% aperture really contribute to visible improvement? I realize this is somewhat open-ended, so heres my situation, and why I am asking. I'd go for a 80mm or 100mm refractor, or a spotting scope, the spotters are often cheaper. To achieve a good setup with the M-uno D and long refractors some extra item could be required, as extra Counterweight shaft (145 mm, 85 mm, 60 mm are available), extra Counterweight (1,4 Kg, 0,55 Kg) and a Miniextender (130 mm, 105 mm, 80 mm, 55 mm). The best thing about this apochromatic refractor for astrophotography is that. The 80mm objective lens and short 400mm (f/5. Keep in mind that this telescope does weigh about 5 pounds more (14.