The two silver allen bolts in the center of your photo. g. Pick up the phone, or drop us a line, and we will be happy to be of service. The ZWO ASI678MC is loaded with the Sony IMX678 back-illuminated, 8. I get pretty good guiding generally below 1’ with the occasional blip but sharp images at long exposures of 3-5mins. If I had a dedicated astro cam, the OAG would be the. For instance if I want to shoot the entire Cynus Loop, I need the AT60ED and my D600 FF, but M13 fits nicely in my C5 with the reducer/flattener on my 1 inch Nikon 1 V3. • 2" and 1. Amazon had a great discount so i said why not? What i received was a disgrace. 8 reducer. (Its great living in the same town ) I am so impressed with this little scope and wanted to share my first EAA experience with it last week. Page 3 of 4 - TV-60 vs. What is focused at the center won't be nearly so focused as one approaches the edge. The TS PhotoLine 60mm, f/6 FPL-53 apo arrives on the market amid some stiff competition from the suspiciously similar Astro-Tech AT60ED, the Altair 60EDF and the William Optics Zenithstar 61 apo (the Zenithstar’s 61mm, f/5. The AT70ED is bringing ED optics to you at a fantastic price. 8x FF/FRs, neither the ATR-8 nor Televue's TRF-2008 effectively flattened to the corners on my APS-C sensor in either my AT60ED and a previously owned AT72EDII; the ATRF60 is the only one out of the three that provided pinpoint stars to the corners in the. At that time I started a thread titled Anyone with an AT60ED to ask a few questions about my new scope, and. 5X/5. Contact Us. 8x reducer. My AT60ED works great with the Baader 2 inch mirror diagonal. Discontinued Product ZWO EAF ( Electronic Automatic Focuser) $199. AT72EDII - posted in Refractors : I have a SW 120ED, but I do not consider it to be a G&G, or at least not a really easy one. IMG_0266. This Astro-Tech AT80ED refractor has: • split tube rings with detachable Vixen-style dovetail for installation on virtually any mount. AT80EDT. With reducer/flattener you will get shorter focal length, wider field of view and faster scope. . The 80-ED has a little bit of false color, but not bad, and. The Astro-Tech AT60ED is priced at $369US and comes standard with a 2″ to 1. 8x reducer - posted in Refractors : I received my new AT60ED just over a week ago and we actually got some breaks in the clouds earlier than forecast, so I got a chance to confirm that it let me accomplish my first goal of getting a full-field view of the Sun through my DayStar Quark. Another thumbs up for the AT60ED with the . Reviews. I dont know where to begin on figuring out which of the two provides the most aperture and magnification with my PVS-14. 0 out of 5 stars Great for a MK67. I only wish it had the chrome finish like the AT66 I purchased 11 years ago. In this video I will share with you how to install and configure. The AT60ED is even smaller than the 72, but I feel like if you don't reeeeally need to downsize, the 72 is the lowest you should go. IC405 - The Flaming Star nebula taken with the AT60ED. This is a 360mm f6 scope that is actually quite small. )AT60ED vs. Thanks for the help. Help A Kid Through College. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. The AT60ED with a 2 inch diagonal and an eyepiece such as the AT UWA 28mm is a finder. It isnt currently online. 2. The Rokinon 135mm is F2, which is extremely fast, and it is literally the best camera lens you can buy for astrophotography (at 135mm). The home to all amateur astronomers & telescopes! Feel free to discuss anything astronomical here, from…. I use it with just two lenses, a 50mm Nikon f/1. 2lbs. If I had a bit more money to spend I'd probably go for the 7mm and a Barlow to give me a 3. Aperture: 60mm. Yeah, I'm excited about the AT60ED. The particular sample of AT60ED that I own shows spherical undercorrection. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. 2mm DeLite gives you a 3. Also looking at Televue TV60, nice but too expensive for me. I also a Celestron 6se. At best, you can use a cropped sensor, mirrorless camera. You can buy the 0. Balance your telescope mount with counterweights. Add To Cart. 2mm DeLite gives a larger TFOV that is sharp in the APO's I compared (61mm f/5. Mike, which base do you have? I looked at your website and could not find the finder shoe you speak of. 8x Reducer/Flattener that goes with it, too. Thanks for the info! Beware of ZWO 2" filter drawer - posted in Equipment (No astrophotography): Hello all, I just got a new ZWO filter drawer for my AT60ED. Download Augmented. See spectacular views of the sun with a solar filter. The Losmandy Dovetail is the short one from Astronomics (The issue is that in order to. I love everything about my AT60ED except for the really short focal length. If the finish and focuser is comparable to my AT 80ED, then it is really quite good. 3 degree field, the right angle format with bulky eyepiece and very short tube makes initial sighting slower than it could be. I bought the 0. If the screws of the mounts clamp. From the thought to image the sun to see if the ASI224 and AT60ED combo could capture the entire disc, pulling the scope buggy AZ/EQ mount out, mounting the AT60ED, leveling the OTA, Solar System alignment and focusing was less than 10 minutes. Astro-Tech Finderscope Mounting Shoe. No nicks or marks on any part of the telescope. OTOH the AT60ED has good glass, a EAF-capable focuser and is much cheaper and can reach f/4. 8x Reducer/Flattener on Advanced VX Mount. When installing the bracket be very careful your new bolts don’t screw in too far or they will bottom out on the brass rail. My previous views of M8,. 2. Also Id pass on its helical focuser and its 1. There is still some tilt on the upper edge, but overall its improved. I have been considering the Astro-Tech AT60ED 60mm and the Apertura 60mm FPL-53. 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. Page 10 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : Heres some more shots of this beauty looking at the moon during sundown. I second the AT60ED. Astronomics offers the best prices on telescopes and accessories, like solar filters. Edited by techmgr, 03 January 2021 - 08:53 PM. Verified Purchase. 0. The back focus is 55mm from the shoulder of the reducer to the. I put a 32 Masumaya in the diagonal. Page 3 of 3 - Differenced between 60mm refractors - posted in Refractors : Not sure why no one is answering these more directly. Back to Beginning Deep Sky Imaging · Next Unread Topic →. I have narrowed it down to an AT60ED. Telescope configurations: AT60ED, AT60ED + 2x Barlow, NexStar 6SE, NexStar 6SE + 0. 4KidsOneCamera • 3 yr. Technically the TV60. First (Nighttime) Light on my new AT60ED + 0. Love it! I could probably put the tripod, scope, and full. Page 1 of 18 - The joy of a good, small refractor - posted in Refractors : When I was a kid my first telescope was a 50mm (I believe), long focal length alt-az achro refractor with cardboard tube, and a non-adjustable metal tripod. The same scope is sold by other vendors, like William Optics, for a lot more money. WELCOME TO ASTRONOMICS Astronomics is a family-owned business that has been supplying amateur astronomers, schools, businesses,. 95. Which version of the QHY. AT60 Vixen-style rail/bracket/mounting suggestions - posted in Beginning Deep Sky Imaging: I have the AT60, but its a chore to balance it in dec with the shoe finder mount. I have used the original packing foam and box, but that isnt a great fit for. Getting stretched stars in the corners with both The FF for it is backordered on Highpoint Scientific and the one for the AT60ED is. The 66mm units from Taiwan are advertised as “apochromatic” and boast a price of $329, shipping included. Backfocus with a AT60ED - posted in Beginning Deep Sky Imaging: If you guys saw my previous post about my planned beginner setup with the Sky-Watcher Evostar 72 and the star adventure, I have chosen to use the AT60ED doublet refractor (as a scope for astrophotography of DSOs. Adding. The AT60ED now comes standard with the Camera Angle Adjuster and the finder shoe. My eye piece kit now consists of the Panoptic 41, Panoptic 24, Delos 10, and Delos 4. 8 with its reducer. But as you've seen it comes at a cost. The flattener produces wonderful flat fields as well as a 41mm image circle. 00 Not FPL-53. 12 Nov 2023. The home to all amateur astronomers & telescopes! Feel free to discuss anything…Business, Economics, and Finance. Not bad. The telescope-side barrel is threaded for standard 2″ filters so you can attach a light pollution filter. Even using a 1. Thanks so much for your help. All 4 scopes mentioned are the same. Some thoughts that I have on the two units are listed below. 0. "fully-multicoated Astro-Tech ATRF60 converts the 360mm focal length f/6 Astro-Tech AT60ED refractor into a 288mm f/4. Just got the Panoptic 41 yesterday, and unfortunately the clouds mostly ruined the evening. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like)Well, that's gonna cost a lot more, but you could get various front mounted etalon options from Lunt or you could plug something into the eyepice end from Daystar. And when it does come back in stock, I've always missed reordering it. 25 limitation as to the focuser. How to attach filter between field flattener and T-ring - posted in Beginning Deep Sky Imaging: My imaging train is Telescope AT60ED/Astrotech 2inch Field Flattener/T-ring/EOS EFtoRF Adapter/Canon R I have two issues: 1) Looking at the images, I feel the back. 8. 1. First light with this combo came on Friday night, April 30, from my driveway thats roughly 15 miles south of Akron and 10 miles NW of Canton, OH. Yeah, I'm excited about the AT60ED. The helical focuser of the FMA230 is precise but quite stiff. Loc: Clinton, TN. - 60mm is Easier to deploy as well as you don't have to come up with the stop-down stuff. 7 Orion 80ED @ 600mm is 1. The tube is reportedly a hand-selected 6922 Sovtek. While this Astro-Tech ATRF60 0. I might have bought the new FRA 300 if a reducer were available for it, to get shorter than 300mm FL. It is also usable with long focal length refractors and catadioptric scopes under good or. New member here about to make the bounce from doing astrophotography with a 70-200 lens to a small OTA, the ASTRO-TECH AT60ED in particular. I use the SCT (f/10) for visual mostly although I have a . With a 24mm. What I dont have is an optical finder with interchangeable eyepieces that I can use on my refractors - specifically. Astro-Tech AT60ED William Optics RedCat 51 APO Askar FMA135 Celestron C5 Spotting Scope My Mac Setup Blog Image Gallery December 4, 2019. My primary purpose of getting this scope is to get widest field. 8mm" I have the Celestron 8SE with a focal reducer/corrector. - posted in Electronically Assisted Astronomy (No Post-Processing): Looking for last minute opinions. e. 800-422-7876. It looks better from the outside, but when youre observing or doing astrophotography in the dark, you. And I have tried my hand at digiscoping using a Celestron 100mm Regal Spotting scope which has a focal length of 540mm. I probably use an AT60Ed on an Orion scope tripod more than anything else. I was. Seems expensive. Help with achieving a flat field with AT60ED - posted in Refractors : I purchased a used AT60ED about 6 months ago and I havent yet had any luck with achieving an acceptably flat field with this scope and Im hoping someone might be able to help me out. AT60ED vs. Edited by mikemarotta, 01 October 2021 - 06:44 PM. Anyone using the AT60ED with dedicated reducer and getting round stars? - posted in Beginning Deep Sky Imaging: Ive owned an AT60ED for over a year now, and have enjoyed imaging with it the few times I have. The AT60 ED is an awesome and versatile little scope. AT60EDP Then I googled for it to try to get more information and couldn’t find anything. First Light Images for a new Astro-Tech AT60ED telescope. Reviews. I have a huge backlog of data that I need to process and recently have been having fun doing that using Sirilic/Siril and AstroPixelProcessor. 44 TFOV. 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 While Supplies Last; Meteorites. This page lists items that the ASCOM Initiative has made available for download. Not sure if these made it to astronomics as the shipment you refer to, but fingers crossed. 8x reducer in AT60ED - posted in Beginning Deep Sky Imaging: Im having a problem with the Astrotech 0. Page 1 of 2 - Oblong stars using Astrotech 0. The AT60ED is a very nice solid design with premium glass. 6 72ED Astronomical Telescope $463. The objective is an F/7 doublet, with either FPL51 or FK61 glass for the ED element. 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. 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. topic starter. Loc: 3rd Stone from the Sun. I am into Night Vision Astronomy and the AT60ED coupled with a PVS14 and TV 55/67 Plossl rendering 6. No need for a Telrad. They are 48mm. 4KidsOneCamera • Certified Helper | Astro-Tech AT60ED | Sky-Watcher Quattro 150p •. ) I was at my new location on a pretty clear night (at first) and getting good sub-images without any LP filters. Price. And I thought As. Makes. My AT60ED, on a Vixen Mobile Porta, showing the Astro-Tech universal dovetail plate (dovetail bar): The intervalometer in the D5300 will only allow up to 30 second maximum exposure. I like having a natural orientation for the field of view, particularly when observing at low power. 8x reducer on the AT60ED and it only comes out having a slightly greater focal length than the Sharpstar. 5mm Morpheus vs. 2 oz with the rings and dovetail, 5 lbs 4 oz without rings and dovetail. In addition to the mask for the AT60 I'm also making one for my planetary newt. At $300, this is such an amazing performer. I have no eyepieces dedicated to this small refractor. TrevorW - Nov 09 2023 07:40 AM. The AT60ED gave me the absolute max true field of view for a well corrected refractor, and the smallest overall package. I got the Altair astro version since it came with an optical test report. The drawer itself is well made I think but the magnets are not nearly strong enough to hold the drawer in when the scope is at odd angles as is common on an EQ mount. 0 Features (Standard Version) • High quality metal focuser with anodized finish. 6x flattener/reducer for an effective focal length of appx 216mm I am leaning towards the AT60ED/StellaMira combo for the following reasons: 1. AT152EDT. It's heavier duty and much more precise in its adjustments. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. I also like to use barlows to snap pics of the moon and you definitely need extensions. Equipment. $44. This camera is very high resolution at 60 megapixels. C9. The Astro-Tech reducer/flatteners thread into the focuser for a solid connection. Imaging with the William Optics RedCat 51, achieving great images with beginner equipment. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like) CH (high Fe. michael. The 18. My old Sears 60mm refractor gave very sharp images, but not very useful for imaging. First Light Image for a new Astro-Tech AT60ED telescope. With a 12bit ADC, super low read noise of 0. Mount Type: Two 1/4-20 threaded holes. Or they'll want to upgrade the inexpensive mount that came with their prepackaged. Its beginning to come into focus with the focuser ALL the way in. 25 limitation as to the focuser. com and they have no idea. William Optics RedCat 51 (Upgraded Version) + William Optics 48mm T-mount for Sony E-mount 2. • a rotating dual-speed 2. AT60ED and Canon APS-C backfocus question - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: So, ordered step down rings for my Rokinon 135mm lens, unfortunately not shoeing to arrive till Mon next week, and currently according to the forcast, this Friday/Sat is the only chance I will get before Haloween to. I know the Evolution mount is made to handle Celestron’s 9. My plan is to use both cameras. I would not advise anyone to order the TSFLAT2 if they intend to. At the moment I am unable to afford for a better built triplet APO so I decided to go for a smaller ED doublet with FPL 53 elements. 7" Dual Speed Racking and Pinion focuser that rotates and has 98mm of travel. Page 8 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : One more quick picture - I wanted to see if the focuser would slip under all this weight. The 18. • Precise focus control for planetary and deep sky imaging. Im guessing the 8-inch OTA and refractor together should. Obviously the RedCat 51 is a class act and Ive heard good things about the Raptor 61, too. 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 ZWO ASI678MC is a fantastic entry level ZWO camera you want for planetary imaging. Equipment used: * Astro-Tech AT60ED with the 0. Page 3 of 41 - SVBONY SV503 Telescope 80ED F7 - posted in Refractors : This scope and many others appear to be similar to my 2008 Stellarvue SV80-ED (then called the Nighthawk next generation). I just ordered a Moonlite focuser for this scope but forgot that their 2 refactor focuser is not threaded on the end. CryptoAs you have it now, it's rather precarious. The Redcat is a Petzval design Apochromatic that provides the best imaging performance. It contains a set of common interfaces, engines, and tools that are used to support most ASCOM drivers and other components. 1-800-422-7876 questions@astronomics. I use the mounting foot of the scope unmodified in my small Alt-Az mount (VAMO traveller). And we’re now in our third Astronomics generation (son Michael started keeping track of the Astronomics inventory when he was. Its been working quite well with my 1x Flattener. AT60ED case options? - posted in Refractors : I am separating this from the long AT60ED thread because I suspect there are potentially good solutions from a wider audience with other small refractors. com for the Astro-Tech AT60ED this morning. Skywatcher Star Adventurer GTI Dec backlash - posted in Mounts: Ive had a Skywatcher Star Adventurer GTI for trh last three months. Last night I took out my AT60ED on a 501HDV fluid head with pan handle and Bogen 055XB tripod with push-up elevator column. 8X reducer Mount: GEM45 Camera: ZWO ASI2600MM Pro Filter Wheel: ZWO EFW-II 7X36mm Filters: Optolong LRGB 36mm Guiding: QHY5L-II-M with QHY mini guide scope Software: N. Which camera to get for EAA and astrophotography with the AT60ED. 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. I Needed a vixen dovetail for my AT60ED, this works perfectly. flatener for ASTRO-TECH AT60ED 60MM F/6 FPL-53ED - posted in Beginning Deep Sky Imaging: I would like to purchase the ASTRO-TECH AT60ED 60MM F/6 FPL-53ED, but reading various sites on it. At 360 mm focal length and 60mm objective expectations for maximum useable power of about 120X or so would require a 3mm eyepiece. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like). Page 1 of 3 - Good Value Grab 'n' Go & AP Refractor - posted in Refractors : Im interested in a small-ish refractor to use as a grab n go scope and also for astrophotography using a full frame DSLR. Color correction is really good, not AP Stowaway good but noticeably better than the 60ED, 72EDii, AT102ED and AT102EDL doublets I either own. My primary use will be for visual without having to spend time in setting up stuff and possibly carrying while travelling. Comes with the original tube holder, in addition to a Losmandy vixen as shown (shows. A few people suggested the Astro Tech AT60ED and that looks affordable. It works beautifully with this and other short FL scopes. Reviews. 4 o to 6. . • combined dovetail/tripod bracket for use on a photo tripod or a German. so I ordered the specific T ring they told me for the canon DSLRs, but I dont have a eye piece for me to connect it to? On the. 5mm option as well,. I bought the AT60ED from Astronomics about 2 years ago and it has FPL-53 glass. No more having to adjust your optical tube. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. The Astro-Tech. Last week, Mike told me that a shipment has been stuck in customs for about a month, but I haven't heard any other updates. ZWO ASI678MC Color CMOS Imaging Camera. Helix Nebula (NGC 7293), [60 / 25] This one cleaned up nicely. Tip: I take an empty TP roll and cut a slit down the tube and use it as a dew shield for this little scope. Page 1 of 2 - Zwo EAF sometimes doesn’t respond - posted in Experienced Deep Sky Imaging: It’s a bit of a colder day and on my AT60ED with ZWO EAF I have the 8 position ZWO EFW and ASI1600 cool. Most eyepieces dont play. The mount is a SmartEQ Pro. 2" mirror diagonals come with 1. How to capture a GALAXY with your DSLR. Loading preview. You get a 2" Rack and Pinion focuser with a microfine 11:1 fine-focusing ratio finished in our Aston Martin Grey trim. At $300, this is such an amazing performer. Imaging, Equipment. 8 lens for faster and wider field astronomical and terrestrial photography. 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. The Askar FMA135 is multipurpose. The AT60ED is a good portable scope that will work on a lightweight mount. AT60ED first week - Wow! - posted in Electronically Assisted Astronomy (No Post-Processing): I recently brought home an AT60ED F/6 refractor from the good people at Astronomics. 8x reducer in AT60ED - posted in Beginning Deep Sky Imaging: Im having a problem with the Astrotech 0. AT115EDT. Great accessory for the AT60ED if you're looking to attach a viewfinder, finder scope, or guidescope. Obviously they are small. 124K subscribers in the telescopes community. Add in an L-eXtreme filter for taking images of emission nebula during a full moon in light polluted skies! Edited by 72Nova, 15 July 2021 - 07:52 AM. The Astro-Tech 60ED 1x flattener easily threads on to the focuser of your AT60ED after your remove the standard compression ring eyepiece holder. com shows all 3 scopes have roughly the same FOV, without speaking. 8 reducer and/or my Hotech field flattener would work for it. Visually the AT60ED is well configured for use with 2" and 1. Page 1 of 2 - AT60ED or ? for widefield AP - posted in Beginning Deep Sky Imaging: I am looking for a widefield scope to pair with my ZWO ASI294MM at BIN 1. LOL. 38 degrees. The Skywatcher base requires Allen wrenches to secure the. And when it does come back in stock, Ive always missed reordering it. Show Us Your AT60ED Shots - posted in Beginning Deep Sky Imaging: A bunch of us received Astro Tech AT60EDs earlier this year (2021). All of them are good. stars). Astro-tech AT60ED + Astro-tech 0. Product Description. Have not fired it up yet, still trying to figure out where to mount. 5" Table top from ~$200, 6" large dobsonian from ~$350). The logo on the tube shows some sign of wear, otherswise no scratches or dents anywhere on the tube. Page 1 of 2 - AT60ED or ? for widefield AP - posted in Beginning Deep Sky Imaging: I am looking for a widefield scope to pair with my ZWO ASI294MM at BIN 1. Theres two mounting screws on each side of the scope. I normally do long telephoto with a Tamron 150-600mm lens. Leo Triplet NGC 3628, M66, M65. My scope including all the pictured accessories weighs 7. $419. N. The 18. Look at the stars in the corners, theyre all distorted. The AT60ED has very solid mechanics for an imaging scope. Guide scope question - posted in Refractors : Hello, Im dragging my feet in getting a guide scope. The back focus requirements. Long slots allow it to be. • Two ED lens elements, FCD-100 and FK-61. Reviews. Scopes: ES ED-102 FCD100 CF, ZWO Mini Guide Scope, Astro-Tech AT60ED, Askar FMA180, Sky-Watcher Skymax 102. I am collecting a XWA + AT28mm set to be used with my AT80EDT, AT102EDL, and 150mm/F12 Meade Mak telescopes. Page 1 of 2 - Lowest reasonable power for 60mm F/6 refractor - posted in Refractors : Is there any point in pulling a 60mm F/6 refractor (e. 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. First Light Images for a new Astro-Tech AT60ED telescope. Perhaps I will just wait another week or two and. As has been mentioned, these appear to be clones of the AT60ED. The AT70ED would make an alright scope, but it uses older glass which may be more prone to aberrations around bright stars. Now on astronomics it say for the availability More on the way. •. 5). Great build quality and superb optics. Perfect star images across an APS-C chip. Manufacturer. One of the important points that Tamiji brought up was the lack of a field flattener that works for the AT60ED. 9, 80mm f/7, 102mm f/7, and 120mm f/7. 5" rack-and-pinion focuser with 10:1 ratio fine focusing. Also Id pass on its helical focuser and its 1. The ASCOM Platform is required for most of the drivers and other components. 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, . Throw the C8/Hyperstar into the mix, and there's another setup with roughly the same as the two widefield refractors. 5mm -> 21mm -> 071MC-Pro. HAPPY SKIES TO YOU AND KEEP LOOKING UP Jethro. I have narrowed it down to an AT60ED with a StellaMira 0. The TS PhotoLine 60mm, f/6 FPL-53 apo arrives on the market amid some stiff competition from the suspiciously similar Astro-Tech AT60ED, the Altair 60EDF and the William Optics Zenithstar 61 apo (the Zenithstar’s 61mm, f/5. 8. I would like to find something that is a good overall value though. Super sharp, and tiny with a 24mm eye piece. The star test is a bit of a mess outside of focus and a 10l/mm Ronchi eyepiece indicates the same (both with green filters). Mea culpa. I bought the AT60ED from Astronomics about 2 years ago and it has FPL-53 glass. As to field curvature, thats life in the fast lane using a 360mm, F/6 telescope.