00 £2,082. 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. The new Astro-Tech AT102EDL is an extension of the beloved 60ED and 72EDII. Here are a few comments for those who may be considering purchasing one. 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. 8X Reducer for 60ED (ATRF60) is an equipment item of class Accessory on AstroBin equipment database. in stock Check stock level or request price match [value] £ 99. )The optics. → Refractors. The main lesson seems to be, however, that if an apo doesn't show a textbook star test then it isn't necessarily a sign of a problem. Telescope Express TS Photoline 60mm f/6 is the same scope as the AT60ED, but a different color. 1. Astro-Tech AT65Q ED. My NIRQuest was easy to get up and running, but it seems like I can’t find the LabVIEW driver for the QEPro. Astro-Tech has a reducer/field flattener for the 130EDT available for $199. The F-7 ED 102 is a good general use scope with low CA. Here are some additional photos captured during yesterday's annular eclipse from Roswell, NM using an Astro Tech 60ED f6 refractor, 1. It’s $949. Incorporates Ohara FPL-53 glass optics for enhanced contrast, color correction, and sharpness. While this Astro-Tech #ATR8 0. A few on the back. •. Astro-Tech 60ED Unboxed Equipment Discussions. Astro-Tech 60ED Unboxed Equipment Discussions. • combined dovetail/tripod bracket for use on a photo tripod or a German. You save. Altair Astro Limited is. These mount holes are 20mm apart, is this a standard size, or do I. The Astro-Tech AT60ED APO Refractor that I recently purchased. Weighing 19 pounds with tube rings and finder attached, this triplet is a 127mm, f/7. The Astro-Tech 60ED 1x flattener easily threads on to the focuser of your AT60ED after your remove the standard compression ring eyepiece holder. Your Price: $419. You can read this instruction for the full supported list and the connection methods: ZWO EAF Compatible Focuser List & Connecting Methods. 95. The AT80ED is bringing ED optics to you at a fantastic price. To fit optical tube diameter of 76mm; Compatible with Altair 60EDF F6 Doublet, and Starwave ASCENT 70ED DoubletI have been doing some research on small refractors and have come down to these 2 options: 1. → Refractors. On the front end, the retractable dew shield has an OD of 121mm, in case anyone is considering putting a filter there. 90. 265. " . $60. Hard Case: The Astro-Tech AT130CA hard case is designed to hold the Astro-Tech AT130EDT 130mm triplet ED apo refractor. 9)^2, or 0. I have taken multiple photos of the moon, m3 and m51 and although my photos may lack technical merit, it has. I have talked to the people at astronmics. This instrument is designed as an astrograph. Brief Review: Astro Tech 80ED - posted in Refractors : Ive had this scope for a couple of weeks now and have used it on two occasions. buy. Don't have an Astromart account? Click here to create one. 00. The Astro-Tech AT60EDP astrograph provides an exceptionally flat field for very wide images that are sharp edge-to-edge, with no need for a separate field flattener. The Astro-Tech AT125EDL is an extension of the beloved 60ED and 72EDII. Bahtinov Focus Mask for Telescope - Astro Tech 60ED SLIDE ON. 8x CCD Telecompressor for 92mm Stowaway and 105mm Traveler. This is a brand new 2019 item which is now in stock at Rother Valley Optics. Is there an Astro Tech dealer in Australia or do you purchase direct from the USA? I would like a AT65EQD. 5mm between the camera and the flattener. Altair 60ED, MG32 Guider and EQ3 Pro Synscan mount COMBO £968. Camera lenses are not really suited for deep sky photography. Mounts for Astro Tech AT60ED - posted in Refractors : Hi folks, I recently picked up an Astro Tech AT60ED as my first scope and noticed the mounts on each side of the scope for spot/guide scope and other peripherals. ) They also have reviewed the higher spec Growler 40 some time ago. SWAS70ED-OTA, plus Visual Bundle consisting of 17mm Eyepiece, Star Diagonal, RDF, Bracket / Stalk. 134K subscribers in the telescopes community. . Focal Ratio: f/6. Zenithstar 61 II vs. Astro Tech refractors diameters? - posted in Refractors : Hi all, I would like to know about the outer diameter of the following AstroTech scopes for something i want to buy, please make sure it is a precise measurement as much as possible possible. 25" · Optolong Red 1. (0. It has dual. Length: 18" dewshield retracted, 21. Hi. Add to list. . VAT) Altair 70ED Triplet APO Refractor Telescope From: £759. Guidescope Suitability Calculator. AG Optical Systems. So, do I: --wait 3 months for. But at this price range, it could not be better. 8x field flattener (no stock currently) + William Optics 48mm T-mount for Sony E-mount OR 2. Here is an image I did about two years ago with my SV50 and the Astro-Tech field flattener under poor, red-zone, light-polluted skies. 5 to f/7 range that use a 2" focuser. Finally, I have beautiful Rick. I have been. 8lb apertura 60mm 3. 130 mm. If are on very tight budget can get instead a decent "department-store level" phototripod equipped with a ball-head (prices around 80-120. I would expect the 70ED to be very similar in performance to the 80ED, in. Astro-Physics 155mm f/9 EDT refractor; 10" f/6 Starsplitter Compact Dobsonian with Nova optics; 3. In my case the strehl was 0. Page 1 of 2 - AT80EDT versus AT80EDL - posted in Refractors : Happy Holidays, all: Ive been kicking around the idea of getting a smaller 80mm refractor. 00 £632. Sky Rover 60 ED APO with field flattener. Zenithstar 61 II vs. 95. This camera sensor is quite different from the one in the ASI294. You get a 2" Rack and Pinion focuser with a microfine 11:1 fine-focusing ratio finished in our Aston Martin Grey trim. They have the standard 102ED for like 560. Page 1 of 5 - Astro Tech 80EDL or 80EDT? - posted in Refractors : Was wondering if anyone has experience between these two scopes. Attached Thumbnails. The AT80ED is bringing ED optics to you at a fantastic price. This is my first impressions shortly after receiving the telescope. 6 72ED Astronomical Telescope $463. New Scope Review: AT102ED. 95, the ATR8 will work well with any brand of apo or achromatic refractor with a 2" focuser and operating at a focal ratio of f/5. The Tecnosky 90 OWL is a triplet with Ohara FPL-55 glass and a guaranteed minimum strehl of 0. This is one premium-quality diagonal that doesn't happen to be priced like one - and it's still a hot product for many observers. -- 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. VAT) Sky-Watcher Esprit 100 ED PRO OTA £1,799. However I have not been able to use it for astrophotography yet because the field flattner for it is on back order. Its fully multi-coated optics provide bright, clear images that are free from distortion and color. Should be the same as the tsoptics 60ed and Apertura 60ed and Astro tech 60ed Reply Product code: XRING-60ED. Solar system imagery courtesy: NASA/JPL. Cost over $1100 on Hutech's site. The 72 is half the price for only 10% less aperture. The F-5 will have a lot of spurious color - CA. The objective has just a few specks of dust which can probably be removed with a simple air-bulb. The new 80EDL is a doublet and F/7. Add to Cart. ·. The Long Story: I like refractors. Add the deluxe features like the rotating dual speed microfine focuser,. 83 (ex. Mpaige10 likes this Back to top #36 Mpaige10 Mpaige10. Save Image. William Optics RedCat 51. Shipping and handling. View. Dust / Reflection Calculator. You get a single ring with a. 11/10/2023 06:06PM. 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. 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. Astro-Tech . Buy telescopes and telescope accessories at Astronomics. Resolution Formula: ( Pixel Size / Telescope Focal Length ) X 206. 95, 709mm FL, used Plossls of 32 to 15mm, and 66 degree ultra wide (similar to Orion Expanse) of 9 and 6 mm: M3 above Boo, nice fuzz ball at 20mm. 8X reducer (384mm @ f/4. Not so good for planets. The Astro Fi offers dazzling views of craters on the Moon, the rings of Saturn, the Great Red Spot on. Altair Astro Limited is a UK Company I have been doing some research on small refractors and have come down to these 2 options: 1. The AT70ED is bringing ED optics to you at a fantastic price. The FSQ-106ED is a 4. 2 vs 1: Astro-Tech 102ED Initial Impressions and Casual Backyard Shoot Out - posted in Refractors : Yesterday I took delivery of a beautiful AT102ED, my first ED scope. I've never used it, but it looks like you need to use the Ocean OmniDriver to access the QEPro from LabVIEW. The AT80EDT is f/6, the ZS81 is f/6. Most Read Articles • Contact UsContact Us • Moon PhaseThe Astro-Tech AT80EDT is a great triplet apochromatic refractor. William Optics Adjustable Field Flattener For Zenithstar 73 £209. + FREE Shipping. Page 1 of 2 - Yet another rebranded Sharpstar 60ED available now - posted in Refractors : I got an email from High Point today talking about a new Apertura 60mm f/6 FPL-53 doublet that looks exactly like the Sharpstar 60mm which is currently being sold with branding from Astro-Tech, Teleskop-Service, Altair Astro, and William Optics. 8x Reducer Field Flattener For the 60ED ? Clear Skies !! Back to top #6 Jaimo! Jaimo! I'm just stunned!. Deep sky object photographic data courtesy: DSS/STScI. 975, but. The sleeve between the flanges is what affords the full 360˚ rotation of the focuser. Astro-Tech . 5 inch rack and pinion focuser addresses what was the only weak point in some of the first AT-102EDs. So until then I am stuck using scope uncorrected. The Astro-Tech AT60ED might be just the compact high-quality grab-and-go or travel scope you have been searching for. Then I noticed in another thread about that telescope the Astro-Tech 80ED being mentioned as something one of the respondents would buy instead. I thought that I would do an unboxing of the newest addition to the family. Works great with these and similar models. I've just upgraded to the Speed Spider Hot end and this is the quality of my prints now, anyone got any idea what's going on? I've calibrated the PID. Resolution Formula: ( Pixel Size / Telescope Focal Length ) X 206. Its color correction puts any achromat or so-called “semi-APO” to shame. 5 and F6 versions. The user manual says that it provides a library of LabVIEW wrapper around the OmniDriver . 8 vs. William Optics RedCat 51 (Upgraded Version) + William Optics 48mm T-mount for Sony E-mount 2. Altair Astro Limited is a UK Company2. Thats why I was comparing the Astro-tech with it. 34mm and that is the thickness of the spacer (s) you require. 67 (ex. #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. Place your astronomy ads, read the latest news articles and check out the current reviews of newest telescopes and equipment. Ended up just ordering the 7” Astro-Tech dovetail which hopefully will arrive tomorrow. Our calculator, at typical seeing of 2-4”, uses the Nyquist formula of 1/2 and the 1/3 to stop stars becoming square so the optimal range is between 0. Features. 50 mm - 60 mm High Profile Rings. Ive always imaged with a telephoto lens and decided to move to a refractor. 8X Reducer for 72EDII (ATRF72) Accessory: 24: 164: Astro-Tech . ZWO EAF. Back to top #13 HesiodAstro-tech AT72EDii 4. 8X Reducer for 60ED (ATRF60) Software Adobe Photoshop · Pleiades Astrophoto PixInsight · Steffen Hirtle GraXpert Guiding. The CMOS sensors are sensitive in the blue and red way beyond what we can see and it challenges even the best refractors. 95. 1. The AT70ED's focuser can handle a binoviewer much better. Star test results using an artificial star at a distance of 60 feet. GA] 22 Nov 2018. The Astro-Tech AT60ED might be just the compact high-quality grab-and-go or travel scope you have been searching for. 0mm) > Camera (17. The scope is a f/5. Page 1 of 2 - Astro-Tech AT60ED - posted in Beginning Deep Sky Imaging: Hi folks, curious on peoples take on this scope. 5mm, 21mm, 11mm spacers > ASI294. 8X Reducer for 60ED (ATRF60) AstroBin's equipment database is entirely maintained by the community. This l. 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. For the Astro-Tech Reducer/Flattener the spacing is 55mm with image circle. Solar system imagery courtesy: NASA/JPL. . I was hoping to do this first light video of my Astro-Tech AT60ED after I got my flattener/reducer, however they just haven't been in stock. Add to cart. 92 (ex. This evening a new scope arrived, an Astro Tech AT102ED. 67 (ex. Please tune in for my 1st impressions of it. 25” non-marring compression ring accessory holders• Vixen dovetail plate. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. In. Borg 60mm ED. We all have questions from time to time. ASTRO-TECH AT72ED 72MM F/6 ED $379. 00. Astro-Tech recently re-released the 65EDQ and was available for immediate delivery. Sharpstar 400F5. After this, I chose a different base image and it began processing - but loading every image FAILED before. AT60EDP Then I. Small is essential on a Sky Adventurer, so you are going to need to consider the assorted 60ED's and a flattener. 265. Hello guys. The camera side of the reducer has 48mm T-threads to connect to a T-ring and camera body. ASTRO-TECH 60MM PHOTOGUIDE REFRACTOR "The new Astro-Tech AT60GS 60mm guidescope with upgraded helical focuser makes highly accurate autoguiding of deep space astrophotos affordable for any astrophotographer. I am currently using the AT60ED without a field flattener with a crop sensor DSLR (700D) and have found that while it is usable, you want the field flattener. The EDL series is an extension of the beloved 60ED and 72EDII. Calculate the resolution in arc seconds per pixel of a CCD with a particular telescope. Find the position of dust or reflections in your optics. We've picked some of the best budget and high-end travel telescopes. These seem to aways be out of stock so if you are looking for one, you can get this new one at a discounted price. 34mm but you also have a t-ring in there too. Both are very nice. Win some, lose some. Orion 2” 38mm superwide eyepiece. ASTRO-TECH 60MM PHOTOGUIDE REFRACTOR "The new Astro-Tech AT60GS 60mm guidescope with upgraded helical focuser makes highly accurate autoguiding of deep space astrophotos affordable for any astrophotographer. Focal lengths are 560. Deep sky object photographic data courtesy: DSS/STScI. Would I be better off with the Flat61R on the AT60ED or the Astro-Tech . The Altair 60 EDF is our most compact telescope, and this a more refined version with an S-FPL53 doublet objective lens providing superior colour correction and a lighter more compact tube. Focusing Masks For Telescopes. AstroBin is an image hosting platform and social network for amateur astronomers and astrophotographers. 50 (ex. 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. 5 MC Red, mint condition. It not only has great reviews, has FPL-53ED glass, and a clear price advantage. This is one of the many variants of the TS, Altair, AstroTech compact refractors available on the market, although a tad faster at F5. I always converted my raw files to dng with the adobe dng converter, worked every time. 8x Reducer / Adjustable Field Flattener for GT71, GT81, Z81 & Z103. The opening of the shoe will accept generic Vixen style finder brackets. It is not too heavy and gives you a focal length of 288mm. Both have FPL-53 glass. $599. " . 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. The AstroTech version has a nicer focuser, costs $100 less but uses FK 61 glass. 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. • a rotating dual-speed 2. The ASI533MC Pro is ZWO’s latest OSC camera, and it’s equipped with a 9MP Sony IMX533 CMOS sensor. Due to the bracket being thicker you will have to put longer bolts in. 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. However I have not been able to use it for astrophotography yet because the field flattner for it is on back order. From all the review it seem this is one fine. I know you get what you pay for, but I also cant justify spending over $500 on a hobby I might not be able to figure out lol. Views: 4822. 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;. Looks like a sky rover 60ed rebranded, make sure it uses fpl53 glass and you should be good. Skywatcher. 3D Printed. I’ve been lucky enough to spend a few months basking in the spectacular far southern sky of New Zealand. Equipment Key. I already have a Skywatcher ED100 that Im very fond of, but a smaller scope for both grab-and-go visual use and wider-field imaging sounds appealing. ( 3. 72X Reducer for AT152EDT (AT152FF) Accessory: 1: 1: Astro-Tech . For Sale. The home to all amateur astronomers & telescopes! Feel free to discuss anything astronomical here, from…. It can't be used visually. Precision Locking Focuser for Auto Guiding with Starwave 60ED Refractor £99. I plan to do some comparisons with the other finders here on my menagerie of scopes. This page lists an incomplete selection of telescopes suitable for astrophotography. 00 £806. This Astro-Tech AT80ED refractor has: • split tube rings with detachable Vixen-style dovetail for installation on virtually any mount. 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. 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. Condition is New. Page 1 of 2 - Orion 80ED vs Astro-Tech 80ED for second scope - posted in Refractors : Ive been seriously considering the Orion 80ED as a second scope, (currently I have an Orion 8 Newt), and am wondering if there are any better options in that price range. A favorite. Same fit and finish. 800-422-7876. Pick up the phone, or drop us a line, and we will be happy to be of service. And I thought As. This image content just LRGB 10x180 seconds in each channel and 20x500 seconds H-alpha. 33 (ex. You are better off with a short refractor like a Astro-Tech 60ED + 0. Vostok 1. (To match the accessories for the Astro-Tech, you would have to spend about $145 for a dual speed focuser, $25 for tube rings and another $40 for the Dovetail bar, which in the end would come to $210 or $760 for the Orion ED80 vs $399 for the Astro-Tech). Astro-Tech 60ED. Lukomatico just gave the Gear 60 a great review on YouTube. Our calculator, at typical seeing of 2-4”, uses the Nyquist formula of 1/2 and the 1/3 to stop stars becoming square so the optimal range is between 0. 6 lbs: 8. Edited by james7ca, 02 June 2015 - 05:54 AM. Spencer-3d. The Astro-Tech 60ED is high on the list when it becomes available. 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. . This scope is for the person wanting a little more than what the 60ED and 72EDII can bring to the table. The Astro-Tech AT150EDL is the largest apeture telescope in the EDL series. Those AT dovetails are great - having the long slot in the middle is very convenient for different. If it is a repeat please delete. 00. Guidescope Suitability Calculator. For the Astro-Tech Field Flattener the optimal spacing from field flattener to film plane: 57mm +/- 4mm and Canon is supposed to be 55. Examtopics covers just the 6th. 67 = 2 / 3, 2 = 4 / 2). 5 set up with an efl of 950mm. Page 1 of 5 - Astro Tech 80EDL or 80EDT? - posted in Refractors : Was wondering if anyone has experience between these two scopes. AT72II - posted in Refractors : Hello! Please, does anyone know how does compare AT60ED and AT72II from Astro-Tech? Im looking for a starter refractor and I understand the 72 gathers more light but I was wondering whether there are any other differences? Perhaps one is shaper, corrects aberration better, . All of the telescopes in the chart above fall under the listed payload capacity of the mount. 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. . Of the remainder, two are vintage Japanese refractors and the rest are various American scopes. 25 pounds, this super compact telescope is a great tool to have whether it is your main. Product Details. 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. Cheers! Bob F. It looks better from the outside, but when youre observing or doing astrophotography in the dark, you. -- 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. I fashioned a solar finder from an old white plastic aspirin bottle, which works perfectly. Does anyone know if a ring is made for this purpose? Also, Is it ok to store a Celestron 6se outside under a tarp. 33 (ex. I believe many of the StellarVue 80 mm F/7 Eds used the same FK-61/FP-51 class glass as the Astro-tech 80 ED. Greetings to all! I have for sale a near new, recent vintage Astro-Tech AT60ED. (I assume that the mechanics of the tube/focuser are the same on all Astro Techs, especially the 80mm scopes. Astro-Tech 70ED - posted in Refractors : Im thinking of getting the $299 AT70ED as my first foray into astrophotography. Page 1 of 3 - Orion 80mm ED APO Refractor v. The important performance updates come in the type of ED element combination and the type of focuser the AT102EDL is built around. Telescop Expert ofera livrare rapida si cel mai bun pret din Romania. Feel free to give us a call if you have a question about your scope if it isn’t an Astro-Tech product. Clear Skies, Phil. Astro-Tech Product #: AT60GS . Orion Versago II is another that would work fine. 8. Looks like a decent size scope I can hike with to remote locations and use with my Skyguider Pro with M4/3 and APS-C bodies, and its decently priced with its flat field corrector. Astro-Tech AT60ED 60mm f/6 FPL-53ED and Lanthanum Doublet. Add to View. This scope is for the person wanting a little more than what the 60ED and 72EDII can bring to the table from an optical standpoint as well as a mechanical standpoint. 8x Reducer/Field Flattener for ED60 The AT70ED is a brand new addition to the Astro-Tech line up, whereas the 60ED and 72EDII have been out for a few years, so it may be a while until you see a review of the 70ED. Astromart. Omegon 66mm . With its retractable dew cap pulled in, its overall length is just 34 inches, but extending the cap fully makes it a bit longer than the Orion scope. Spencer-3D. Back to top #7 nicknacknock nicknacknock. No liability assumed for product specifications. The EDL is an f/7 and the EDT is a triplet at f/6. 8X focal reducer/field flattener (like new condition) 3D printed Bahtinov focusing mask (like new condition) Rings and 3D printed risers with riser bolts 32mm Astrotech. 6 72ED Astronomical Telescope $463. VAT) Altair 70 EDQ-R F5 Quad APO Astrograph £1,150. For $50 more, the 80EDT gives you the performance of a triplet and significantly faster at F/6. Both have FPL-53 glass. Astro-Tech AT60ED Field Flattner - posted in Equipment (No astrophotography): Hello, 5 months ago I purchased an Astro-Tech AT60ED telescope. In summary, we are using Nyquist as a starting point, with a slight tweak, because we are typically sampling very small, circular, stars. Cloudy Nights. Not wise. A compact guide scope with good quality optics to fit atop the 60ED with "set and forget" focuser. 5x barlow, Lunt. I have stacked CR2 files in sequator without problems, so that shouldnt be your problem atleast. Edited by BFaucett, 27 November 2021 - 01:16 AM. It seems like it’s similar, and yet quite a different design than their. the flattener produces wonderful flat fields as well as a 41mm image circle. On the front end, the retractable dew shield has an OD of 121mm, in case anyone is considering putting a filter there. There are three set-screws which secure this in a recessed track, plus a thumb-screw for locking it in position. # 9/11/2019. My finder scope for the C8 is a Stellarvue AT1010 (80mm f/6 achro) with 2". → Astrophotography and Sketching. So until then I am stuck using scope uncorrected. And I thought As. Formal-Garden-7412 •. com and they have no idea when they will be. Alan Hancox. • dual-speed rotating 2" rack-and-pinion focuser with 10:1 ratio fine focusing. 5" rack-and-pinion focuser with 10:1 ratio fine focusing. The Astro-Tech AT60EDP Astrograph from Astronomics is a unique apochromatic ED Petzval refractor astrograph that has a four lens fully multicoated optical system. Comes with the Astro-tech Camera Angle adjuster. ") at 15mm. The telescope-side barrel is threaded for standard 2″ filters so you can attach a light pollution filter. Brands / Companies 925 ; Cameras 3311 ; Sensors 465 ; Telescopes & lenses 3753 ; Mounts 613 ; Filters 2238 ; Accessories 1410 . • dual-speed 2" Rack and Pinion focuser with built in rotator. Weighing in at just 3. Thank you @peter k! My goal is to pit it against my other two refractors in a 2 against 1 competition. This Astro-Tech AT80ED refractor has: • split tube rings with detachable Vixen-style dovetail for installation on virtually any mount. Nirvanaepic • 22 days ago. The Astro-Tech ATRF60 reducer/flattener threads on the 60ED focusers. Add To.