8x CCD Telecompressor for 92mm Stowaway and 105mm Traveler. . Astro-Tech AT72EDII. 8mm so, if so, you are already too long before adding spacers. 5 MC Red, mint condition. 00 usd. The telescope-side barrel is threaded for standard 2″ filters so you can attach a light pollution filter. Some of you suggested the AT72EDII and it looks like a fantastic scope,. 265. Add New Equipment To Database. Star charts generated using Cartes du Ciel. 5mm and extension tubes will not be required. It goes through numerous inspections, at the factory, at Tecnosky and Rupert at Astrograph also checks it out before dispatch. Astro-Physics 155mm f/9 EDT refractor; 10" f/6 Starsplitter Compact Dobsonian with Nova optics; 3. Edited by Phillip Creed, 11 July 2023 -. 8 Macro, It didn't seem to lose anything to the two scopes as far as image quality was concerned and the clincher was that it married up to all my existing camera equipment. On close inspection of the frames i have coma. Artificial stars at a. 7. Astro-Tech 60ED: not yet fully evaluated, but well made and looks good so far. No nicks or marks on any part of the telescope. Mechanically, the 2. It takes a telescope dealer with practical hands-on telescope experience. Orion 2” 38mm superwide eyepiece. Thanks. Maybe try with 10 images at first instead of all 274. Maybe if they would come in stock. Backfocus Confusion - AT60ED w/ field flattener - posted in Beginning Deep Sky Imaging: In the brief time ive been into imaging, my imaging train has been AT60ED > Apertura Adjustable Field Flattener @ 3mm > 16. The AT70ED is a brand new addition to the Astro-Tech line up, whereas the 60ED and 72EDII have been out for a. The EDL is an f/7 and the EDT is a triplet at f/6. 95. The ASI533MC Pro is ZWO’s latest OSC camera, and it’s equipped with a 9MP Sony IMX533 CMOS sensor. 80mm. 4mm nozzle. 3. 8X reducer/field flattener is designed for prime focus astrophotography with quality f/6 focal ratio apo refractors such as the Astro-Tech AT72ED and AT130 apo, it will also work well with Astro-Tech and other brand refractors in the f/5. 8x Reducer Field Flattener For the 72EDII Optical Tubes. 00 usd. Askar FRA300 f/5. 83 (ex. I have a little Astrotech 66ed that I want to mount on a little Televue alt az mount. So, subtract the thickness of the t-ring from 9. The Astro-Tech AT60EDP Astrograph from Astronomics is a unique apochromatic ED Petzval refractor astrograph that has a four lens fully multicoated optical system. 1 lbs: 7. William Optics z61 with field flattener. Do I need a reducer/flattener? - posted in Beginning Deep Sky Imaging: Hi there I just purchased an Astro Tech AT60ED 60MM F/6 FPL-53ED doublet to do Astrophotography with my ioptron Skyguider Pro. I've been eyeing a longer focal length refractor with a bit more aperture than my AT72ED for awhile. 33 (ex. 8, and after a lot of Googling, including a long look at Astro Bin, I went with the Sigma 180mm f2. 447mm @ f/5. Add to Cart. ZWO new Astro Cameras, new accessories: Teleskop-Service is the partner of ZWO in Europe. MPN. Most Read Articles • Contact UsContact Us • Moon PhaseThe Astro-Tech 127EDT, in comparison, is a relative monster. . The images from its fully-multicoated ED (Extra-low Dispersion glass element) air-spaced doublet optics are virtually free of the annoying violet haloes of chromatic aberration (spurious color) that are typically seen around the Moon, planets, and bright stars in. The ZWO ASI533MC Pro. 13-01-2016, 12:32 PM. 1 F/7 ED REFRACTOR from our friends at Astronmic this will feel in the gap between my 120mm orion st f/5 and my 127 Orion mak as far as a grab and go scope. 265. Star testing is so-so, by my estimate, about 1/4 wave SA under corrected, a little better than that if I use a prism diagonal. 8x Reducer Field Flattener For the 60ED Optical Tubes. Focal lengths are 560. Starwave 60ED Imaging Refractor From: £379. Astro Tech 60ED in my Apache 3800 from Harbor Freight. In addition to the BVF I have both Stellarview 50 and 60mm RACIs, the Astro-Tech (Long-Perng) 10x50 RACI, and a GSO 8 x50 RACI. Altair Astro Limited is a. Does anyone know if a ring is made for this purpose? Also, Is it ok to store a Celestron 6se outside under a tarp. 8x reducer/field flattener for f/6 refractors is now available from stock. AstroTech AT60ED vs William Optics ZS61II - posted in Refractors : Just judging from the descriptions, these two scopes appear to be very close to the same thing. This high-profile stalk has a dovetail shape at the bottom for attaching it to finder scope dovetail shoes used on Stellarvue refractors and many others. -- John Vienna, VA iexos-100-2, Orion 80 ED, Astro-Tech 60ED, Celestron Comet Catcher, Nikon D90 astro modified, SVBONY SV165 40mm, SVBONY 905c guide camera. 00 £958. Astro-Tech Product #: AT60GS . For Sale. the flattener produces wonderful flat fields as well as a 41mm image circle. Astro-Tech 60ED Review So very dinky. 5 inch rack and pinion focuser addresses what was the only weak point in some of the first AT-102EDs. 50 (ex. 00 £806. At the business end, the two-inch optical back consists of a millimetre-graduated lockable two-speed focuser and a 1. 25" brass compression ring eyepiece holders. Back to top #7 nicknacknock nicknacknock. -- John Vienna, VA iexos-100-2, Orion 80 ED, Astro-Tech 60ED, Celestron Comet Catcher, Nikon D90 astro modified, SVBONY SV165 40mm, SVBONY 905c guide camera. The AT80ED is bringing ED optics to you at a fantastic price. 8X Reducer for 72EDII (ATRF72) Accessory: 24: 164: Astro-Tech . $699 A little longer FL than the Astrotech and one less element of glass to offset the weight of a 2" diagonal. 67 / 5 ) $ 770. I plan to do some comparisons with the other finders here on my menagerie of scopes. This version has the rack and pinion focuser, and optional guide scope clamp for imaging. I was given the opportunity to test out and review the Apertura 60EDR & its dedicated field flattener from High Point Scientific! I knew that this telescope could be a phenomenal choice for those just diving into the hobby or even the seasoned astrophotographer. There are three holes in the cap, similar to the circular holes in a Hartmann mask, that help you focus during imaging and visual use. M51 and companion - at least as bright as my 10" dob. For the Astro-Tech Field Flattener the optimal spacing from field flattener to film plane: 57mm +/- 4mm and Canon is supposed to be 55. 00 £958. The really odd part is that the SV60EDS and AT65EDQ look as if they came out of the same factory! Same focuser. $419. 95. Astro-Tech 80ED Refractor - posted in Beginners Forum (No Astrophotography): Please help me decide between the Orion EON 80 mm ED Doublet APO refractor and the Astro-Tech AT80 ED refractor. Astro-Tech . 5). Both have FPL-53 glass. The distance needed is 54. Astro-Tech AT80EDT f/6 triplet. Add To Cart. ·. This is one of the many variants of the TS, Altair, AstroTech compact refractors available on the market, although a tad faster at F5. For the Astro-Tech Reducer/Flattener the spacing is 55mm with image circle. 25″ with it. Buy telescopes and telescope accessories at Astronomics. Borg 60ED (#6260) 2" Eyepiece holder M (#7505) M57 to M57 ADII (#7458) M57 Helical Focuser S (#7757) Focal Reducer 0. I've never used it, but it looks like you need to use the Ocean OmniDriver to access the QEPro from LabVIEW. (0. Clear Skies, Phil. → Refractors. Solar system imagery courtesy: NASA/JPL. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. It has dual. My NIRQuest was easy to get up and running, but it seems like I can’t find the LabVIEW driver for the QEPro. The Astro-Tech AT60ED might be just the compact high-quality grab-and-go or travel scope you have been searching for. 9 specification likely results from a lens cell with a slightly larger entrance pupil). Conveniently lightweight and compact, this Apertura 60 mm f/6 Doublet APO Refractor Telescope is a highly versatile instrument that works as a travel scope, guide scope, spotting scope, or even as a super finder. The back focus is 55mm from the shoulder of the reducer to the. Refractors. AstroTech AT60ED vs William Optics ZS61II - posted in Refractors : Just judging from the descriptions, these two scopes appear to be very close to the same thing. The AT70ED's focuser can handle a binoviewer much better. You can read this instruction for the full supported list and the connection methods: ZWO EAF Compatible Focuser List & Connecting Methods. Inverted monochrome Annotated Large size Full size User. A UV/Ir filter should probably be used with all CMOS cameras and refractors, independent of their correction or quality. Buy telescopes and telescope accessories at Astronomics. A super portable refractor telescope with FCD100 ED glass, suitable for astrophotography or visual use, day or night-time. com. Seeing, focus and the mount will do more for better image quality than splitting hairs to justify spending double. . I purchased a Borg 60 ED this week which arrived today. Please stay tuned. Click here to create one. The new Astro-Tech ATR8 2" 0. To meet the textbook definition of an apochromat, you have to bring three widely separated color crossings to common focus with a residual secondary spectrum of 1/10000 the focal length. Canon 300mm f/4 L Prime - posted in Refractors : Hello members of CN, I am trying to understand the differences between doublets + FFs and Canon L series Primes or Zooms. Then I noticed in another thread about that telescope the Astro-Tech 80ED being mentioned as something one of the respondents would buy instead. There's a batch of Apache sale coupons in the latest HF e-blast if anybody's interested. . At Astronomics, we have that experience - a staff total of over 160 years of experience using and selling telescopes. The Starblast has a focal length of ~450mm vs 360mm for the AT60, so the Orion is capable of marginally higher magnification for lunar/planetary viewing. For sale is arguably the MOST portable astronomical telescope on the market: the Astro-Tech AT60ED 60mm F/6 FPL-53 ED Doublet with a focal length of 360 mm and a focal ratio of f/6. 6 72ED Astronomical Telescope $463. 5 doublet with one FPL-53ED lens with multi-layer coatings one all surfaces and a 2" dual-speed 360 degree rotating rack and pinion focuser. Astro-Tech AT60ED and AT72EDII Black Friday Sale; Universal Astro Sale; Various Used and Demo Scopes and Mounts; Astro-Tech College Tuition Sale; iOptron 20% Off Sale. But the AT60 really isn't intended for planetary visual use. 00. It will cost $90 or so more than the AT with shipping, but it’s in stock and they are a great company to deal with. When I researched the reviews for the scope I couldn't find a bad word said about it and. 8. Apertura 60mm APO Refractor Specifications. → Astrophotography and Sketching. The optical tube measures 9. Happy 2023 to everyone! Ever wanted to take a telescope on vacation with you… but you’re flying there and not driving? You need an instrument considerably sm. Weight: 6 lbs 3. 8x Reducer Flattener for Astrophotography. This evening a new scope arrived, an Astro Tech AT102ED. For Sale. Sky Rover 60 ED APO with field flattener. Discontinued Product ZWO EAF ( Electronic Automatic Focuser) $199. 8x Reducer Field Flattener For the 60ED Optical Tubes. We've picked some of the best budget and high-end travel telescopes. Images of space, taken by amateurs. However I have not been able to use it for astrophotography yet because the field flattner for it is on back order. $139. William Optics z61 with field flattener. Telescope N 150/750 Star Discovery P1 50i SynScan WiFi GoTo. 0mm) > Camera (17. With the ST80 I was always afraid of breaking or misaligning it somehow. This Astro-Tech AT70ED refractor has: • Single ring with a foot that has a 1/4" 20 thread hole for easy attachment to a dovetail. Place your astronomy ads, read the latest news articles and check out the current reviews of newest telescopes and equipment. 20. The Starwave 60ED becomes a fast astrograph at F4. Wanted- Tele Vue NP101 or NP101is. Posted 30 August 2021 - 02:24 PM. The Astro-Tech reducer/flatteners thread into the focuser for a solid connection. My two larger, heavier, and more expensive 2" wide-field eyepieces haven't seen much use since I acquired the 28mm UWA over a year ago. The TS is maybe 80 or 90% of the BVF - PLUS it has an ED objective yet it's sold at a far lower price. . Most Read Articles • Contact UsContact Us • Moon PhaseOk, so today I received my brand new Sky Rover 60ED purchased directly from the Aliexpress store. 5. • dual-speed rotating 2" rack-and-pinion focuser with 10:1 ratio fine focusing. This is a brand new 2019 item which is now in stock at Rother Valley Optics. IMG_0602. 25" non-marring compression ring accessory holders. This is markedly higher reflectivity than the 88% of a conventional aluminum diagonal or the 96-97%. I thought most t-rings were at 9. I would expect the 70ED to be very similar in performance to the 80ED, in. Add to cart. 8X reducer/field flattener is designed for prime focus astrophotography with the Astro-Tech AT72EDII, it will work with other variants of the same optical tube. This will be for visual use; no photography planned at this time. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. 25, 2022A number of people are using 60-80mm ED's as guide scopes, which is arguably even more overkill-y than using one as a finder scope. Quick test of Borg 60ED - posted in Electronically Assisted Astronomy (No Post-Processing): I have been absorbed by the Borg Collective, as I just received a Borg 90FL for EAA (and other visual and imaging purposes) AND snagged a lovely Borg 60ED from the UK. The Starwave 60ED is super compact with a modular design. Orion Versago II is another that would work fine. Both are very nice. 4KidsOneCamera • 3 yr. 67 = 2 / 3, 2 = 4 / 2). Astro-Tech astrotech 60mm Imaging Cameras ZWO ASI1600MM COOL Mounts iOptron iEQ45 Pro Filters Astronomik Blue 31mm · Astronomik Green 31mm · Astronomik Red 31mm · Astronomik Lum 31mm · Astronomik H-Alpha 6nm Accessories Astro-Tech 0. Formula: Pixel Size (mm) X Focal Ratio X Diameter of Shadow / Reflection (pixels) If you don't already know the size you can upload an image below and then click & drag over the dust doughnut or shadow to calculate the size. The scope weighs in at a light 3. The user manual says that it provides a library of LabVIEW wrapper around the OmniDriver . One good alternative is to buy the Astro-Tech AT60ED - which is basically the same scope as the Z61 - from our friends at Astronomics, along with the field flattener, for less than the new Z61 costs alone. By far the TV-60 is the most portable scope with great optics for birding and casual astronomy. Apertura 60EDR vs AT60ED - posted in Refractors : I am in the process of upgrading my imaging scope from a ST80 to a better small refractor. Hopefully someone here has. You get a 2" Rack and Pinion focuser with a microfine 11:1 fine-focusing ratio finished in our Aston Martin Grey trim. Buy telescopes and telescope accessories at Astronomics. # 9/11/2019. The foam conversion is not pretty but it safely holds the entire set up in a easy to carry case. 11/10/2023 06:06PM. im quite enticed that i could use it for WIDE-field views (even wider than the St-80!), astrophotography, guiding, and even just day-to-day. Page 1 of 5 - Astro Tech 80EDL or 80EDT? - posted in Refractors : Was wondering if anyone has experience between these two scopes. I’ve been lucky enough to spend a few months basking in the spectacular far southern sky of New Zealand. Both great scopes when coupled with the William Optics adjustable flattener. Skywatcher. This Astro-Tech ED refractor has:• 72mm f/6 fully multicoated FPL-53 and Lanthanum doublet refractor optics• dual-speed Rack and Pinion 2” focuser with 10:1 ratio fine focusing and built in Camera Angle Adjuster (Same mechanism as our EDT series)• 2” and 1. Askar FRA300 f/5 Quintuplet. This Astro-Tech AT60EDP refractor astrograph has: • 60mm f/5 fully multicoated four-lens Petzval refractor • Two ED lens elements, FCD-100 and FK-61 • 44mm corrected image circle • amazing flat field astrophotographic capabilities • dual-speed 2. 00. As soon as lifted the telescope free of the packaging and unwrapped it, I noticed an annoying rattle when moving the telescope around in my hand. Guidescope Suitability Calculator. ASTRO-TECH AT72ED 72MM F/6 ED $379. • durable nylon soft carry case. 6M subscribers in the astrophotography community. Celestron 2” xcel 5mm ocular $50. Looks like a sky rover 60ed rebranded, make sure it uses fpl53 glass and you should be good. Wanted. 8x reducer/field flattener for f/6 refractors is now available from stock. This Astro-Tech AT102ED refractor has: • 102mm f/7 fully multicoated doublet optics using FK-61 ED glass. Reviews. Aperture-wise is there huge difference in the amount of light that they are capturing? Is the price increase due to lens quality and construction quality? I would want to use the scope for a. It looks better from the outside, but when youre observing or doing astrophotography in the dark, you. WO Zenithstar 61 APO $478. Just my two cents. Canon 100-400 IS I vs. Posted 04 October 2023 - 09:27 PM. Greetings to all! I have for sale a near new, recent vintage Astro-Tech AT60ED. 8X Reducer for 60ED (ATRF60) · Raspberry Pi Raspberry Pi 4 Software Adobe Photoshop · Aries Productions Astro Pixel Processor (APP) · Astroberry Project Astroberry Server ·. The camera side of the reducer uses 48mm T-threads to connect to a T-ring and camera body. Astronomics is a family business and Thomas Back was a part of the Astronomics extended family. 8x reducer you get a fast flat field astrograph operating at f/4. 8X Reducer for AT102EDL (AT102EDLRF)GetLeadsFast, LLC. SWAS70ED-OTA, plus 0. I like both the build and look of it, and the functionality of the rack and pinion focuser, but Im having a problem that Ive never experienced. 10" Saddle Plate for Both D-Style and V-Style Bars (DOVEDV10) $240. For the Astro-Tech Reducer/Flattener the spacing is 55mm with image circle of 42mm. Add New Equipment To Database. 2" aperture f/5 (530mm focal length) four-lens photo/visual system using two ED (Extra-low Dispersion) glass elements. William Optics RedCat 51 (Upgraded Version) + William Optics 48mm T-mount for Sony E-mount 2. While this Astro-Tech #ATR8 0. The AT70ED is bringing ED optics to you at a fantastic price. FCD-100 is comparable to FPL-53 but FK-61 is more like FPL-51. $139. The important perfomance updates come in the type of ED element combination and the type of foucser the AT125EDL is built around. Page 14 of 23 - Astro-Tech 80EDL owners thread - posted in Refractors : Now I realize that it’s much easier to produce an 80mm doublet with minimal aberrations than it is to produce a more complex 180mm triplet at the same focal length, but regardless, this AT80EDL appears to be a good example of the right way to make a scope. Page 1 of 4 - Astro-Tech AT115EDT Review: The telescope that punches way above its price range - posted in Refractors : Hi all, Ive owned my Astro-Tech AT115EDT since December 2020, and Ive finally. The new Astro-Tech AT102EDL is an extension of the beloved 60ED and 72EDII. This finder shoe is designed to work on a variety of Astro-Tech telescopes. Calculate the resolution in arc seconds per pixel of a CCD with a particular telescope. A self-storing retractable dew shield slows the. If you wanted this scope but with blue trim, congratulations. Astro tech 60ed . The flattener produces wonderful flat fields as well as a 41mm image circle. Theres two mounting screws on each side of the scope. This is in superb condition having been used on only a few occasions. Astromart. Astro-Tech 70ED - posted in Refractors : Im thinking of getting the $299 AT70ED as my first foray into astrophotography. eBay item number: 284284336129. At $300, this is such an amazing performer. ·. Zenithstar 61 II vs. I am using a simple Alt Az tripod, and can have this set up ready in two minutes. The TV-60 is the ultimate travel scope and. It’s $949. However they are very different by design. 00. Astronomics has an Astro-Tech Voyager 2 that is pretty much the equivalent of the ES Twilight 1. The Astro-Tech ATRF60 reducer/flattener threads on the 60ED focusers. Click here to create one. I fashioned a solar finder from an old white plastic aspirin bottle, which works perfectly. Pending edit 1; Software 386 ;Page 1 of 3 - Astrotech ED series - 72mm or 80mm? - posted in Refractors : Im trying to decide between a 72mm and 80mm doublet Astrotech ED series. Sharpstar 400F5. Focal Ratio: f/6. If you like manual focus that means you save that. 11/10/2023 04:51AM. AstroBin is an image hosting platform and social network for amateur astronomers and astrophotographers. On the front end, the retractable dew shield has an OD of 121mm, in case anyone is considering putting a filter there. This is cocooned by an impressively long retractable dew tube that moves with silky smoothness. My goal in purchasing the Astro-Tech 60ED is to have a very portable scope that lets me take moderately closer glimpses at deep sky targets of interest to me. The Astro-Tech handle is not only nice to look at, it is extremely useful as it performs double duty. $139. Shipping and handling. We've helped hundreds of thousands of people pick the right telescopes or accessories since 1979. No liability assumed for product specifications. • split tube rings with detachable Vixen-style dovetail for installation on virtually any mount. The handle will help making set up much easier as you have a solid part to grab onto and not just the tube. 8X reducer (384mm @ f/4. I have been considering the Astro-Tech AT60ED 60mm and the Apertura 60mm FPL-53. The telescope-side barrel is threaded for standard 2″ filters so you can attach a light pollution filter. Astro-Tech AT60ED 60mm f/6 FPL-53 ED Doublet $369. " . A super compact ED refractor with dual speed rack and pinion focuser, proper tube. It takes a telescope dealer with practical hands-on telescope experience. William Optics Adjustable Field Flattener For Zenithstar 73 £209. Desert Sky Astro Products. 00 £1,499. Reduced retraction. Absolutely. 8" rack-and-pinion focuser with 10:1 ratio fine focusing • 48mm t-thread focuser back Astro-Tech College Tuition Sale; iOptron 20% Off Sale While Supplies Last;. If you can't wait, or want to know more about it, its the same thing as the TS 80mm F7 doublet. 8 lens for faster and wider field astronomical and terrestrial photography. The 2 inch focuser is extremely smooth and every screw has the non-mar clamping rings so. It is not too heavy and gives you a focal length of 288mm. 11/10/2023 06:06PM. Astro-Tech 60ED Unboxed Equipment Discussions. 8 reducer for ED60. The AstroTech version has a nicer focuser, costs $100 less but uses FK 61 glass. The rings have a 79mm internal diameter designed to fit the Radian 61mm refractor, but will also fit any refractor with a 79mm OD tube. Most Read Articles • Contact UsContact Us • Moon PhaseThe Astro-Tech AT80EDT is a great triplet apochromatic refractor. Astro-Tech AT60ED Field Flattner - posted in Equipment (No astrophotography): Hello, 5 months ago I purchased an Astro-Tech AT60ED telescope. buy DETAILS *Special offer while stock lasts * The Astro Fi 6" is a computerized alt-azimuth Schmidt Cassegrain telescope perfect for terrestrial and celestial viewing on the go. SWSA is a small and portable tracker, not a full-weight mount. Stellarvue 80mm f/7 access. Any here have/used this scope ? wanna get some opionions on it before securing it Related Topics Astrophotography Photography Art Hobbies comments sorted by Best Top New Controversial Q&A Add a Comment birdfinder_net •. 25lb. This Astro-Tech AT80ED refractor has: • split tube rings with detachable Vixen-style dovetail for installation on virtually any mount. 80mm. 92 (ex. 6 lbs: 8. Page 1 of 5 - Astro Tech 80EDL or 80EDT? - posted in Refractors : Was wondering if anyone has experience between these two scopes. Astro-Tech 60ED Unboxed Equipment Discussions. It seems like it’s similar, and yet quite a different design than their. Same ratio applies if each is mated to a 0. Cheers! Bob F. I figure learn what Im doing, then. An SVBONY SV165 guide-scope fitted with a QHY-5II-M guide camera was mounted on the imaging scope. Back to top #13 HesiodAstro-tech AT72EDii 4. The EDL has better glass. The main thing I like about a triplet in this case is that it would provide a little extra weight for balancing against a 2" star diagonal and eyepiece compared to a doublet. Astro-Tech AT60ED 60mm f/6 FPL-53ED and Lanthanum Doublet. View. The ZWO EAF is a couple hundred dollars either way you go. Formal-Garden-7412 •. Add To Cart. The 72 is half the price for only 10% less aperture. Astro-Tech AT106. #1 johnjohn Sputnik topic starter Posts: 29 Joined: 15 Oct 2017 Posted 30 December 2017 - 09:41 AM Hello! Please, does anyone know how does compare. ExploreStars is really oriented for visual use - which it is good at - rather than astrophotography. I thought most t-rings were at 9. Length: 18" dewshield retracted, 21. Deep sky object photographic data courtesy: DSS/STScI. Here are a few comments for those who may be considering purchasing one. 8x Reducer Field Flattener For the 72EDII Optical Tubes. I am selling a very nice sample of AT 60ED doublet APO. 9. If you get a. Same fit and finish. 5mm or 7mm DeLite for Astro-Tech AT60ED? - posted in Eyepieces: Im primarily a binocular observer (Canon IS 10x42 and 15x50). Astro-Tech 60ED vs. 5mm and extension tubes will not be required. Both have FPL-53 glass.