Most other 80mm apos Ive seen are much more expensive, but the Astro-Tech is nearly. Small is essential on a Sky Adventurer, so you are going to need to consider the assorted 60ED's and a flattener. . They have the standard 102ED for like 560. Don't have an Astromart account? Click here to create one. I'm VERY pleased with my AT115EDT. 25" with it fully extended. 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. The Astro-Tech reducer/flatteners thread into the focuser for a solid connection. ZWO EAF. Is there an Astro Tech dealer in Australia or do you purchase direct from the USA? I would like a AT65EQD. 67 (ex. (0. Artificial stars at a. Bringing in an improved ED element to the multi-coated glass and paired with a focal length of 335mm and focal ratio of f/5. 5mm flange to sensor spacing). 8X Reducer/Flattener + Williams Optics Guidescope package. It can be ordered with various accessories. This has been my quick view/travel scope for a couple of years and it is an amazing little scope, packing a big punch in a small package. 1 William Optics. On close inspection of the frames i have coma. Astro-Tech 65mm Quad: 6. 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. This scope is for the person wanting a little more than what the 60ED and 72EDII can bring to the table. Comes with the Astro-tech Camera Angle adjuster. 8X REDUCER FIELD FLATTENER - posted in Refractors : Anyone know or care to explain the difference between the ATR8 and the ATRF72 Focal Reducers/Field Flatteners?The ATRF72 is out of stock for the foreseeable future, but the ATR8 is readily available at the same price - what gives?TIA. Star charts generated using Cartes du Ciel. Edited by BFaucett, 27 November 2021 - 01:16 AM. I have taken multiple photos of the moon, m3 and m51 and although my photos may lack technical merit, it has. Brands / Companies 925 ; Cameras 3311 ; Sensors 465 ; Telescopes & lenses 3753 ; Mounts 613 ; Filters 2238 ; Accessories 1410 . Pending edit 1; Mounts 621 ; Filters 2238 ; Accessories 1413 ; Software 386 ; Contributors 50 ;Page 1 of 2 - PF vs. Comes with the Astro-tech Camera Angle adjuster. • combined dovetail/tripod bracket for use on a photo tripod or a German. Artificial stars at a distance of about 60 feet. Astro tech 60ed . Astro tech 66ed refractor mounting advice needed - posted in Refractors : HI All: After a long hiatus I am back into astronomy. AstroBin is an image hosting platform and social network for amateur astronomers and astrophotographers. The Starwave 60ED Imaging Refractor from Altair Astro offers a very portable refractor telescope with FCD100 ED glass, suitable for astrophotography as well as visual use, day or night-time. Edited by james7ca, 02 June 2015 - 05:54 AM. 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. Last updated on Jul 13, 2023 15:59:36 PDT View all revisions View all revisions. My Astro-Tech AT80 arrived on Wednesday, along with the Astro-Tech 2-inch Dielectric diagonal. 9 specification likely results from a lens cell with a slightly larger entrance pupil). The Astro-Tech 60ED 1x flattener easily threads on to the focuser of your AT60ED after your remove the standard compression ring eyepiece holder. Lukomatico just gave the Gear 60 a great review on YouTube. Astro-Tech . Dedicated 0. # 9/11/2019. The Astro-Tech AT60ED might be just the compact high-quality grab-and-go or travel scope you have been searching for. If are on very tight budget can get instead a decent "department-store level" phototripod equipped with a ball-head (prices around 80-120. Most Read Articles • Contact UsContact Us • Moon PhaseThe Astro-Tech AT80EDT is a great triplet apochromatic refractor. Weight: 6 lbs 3. 7. I thought most t-rings were at 9. 67 = 2 / 3, 2 = 4 / 2). More focuser will be supported in the further. 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. $139. 8X Reducer for 60ED (ATRF60) AstroBin's equipment database is entirely maintained by the community. barx1963. 13-01-2016, 12:32 PM. No nicks or marks on any part of the telescope. Pocketprep for the exact reasons above. I've been eyeing a longer focal length refractor with a bit more aperture than my AT72ED for awhile. The Astro-Tech reducer/flatteners thread into the focuser for a solid connection. 95. 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. ready for shipping in 24 h. Telescop Expert ofera livrare rapida si cel mai bun pret din Romania. It takes a telescope dealer with practical hands-on telescope experience. VAT) Out of stock. (TS Photoline 60mm/60ED) which would produce a short and fast 260mm f/4. Deep sky object photographic data courtesy: DSS/STScI. Looks like a mix-up in the descriptions. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. 8 for wide field shots with a focal length of 288mm giving you the flexibility of two focal lengths in one. I have been considering the Astro-Tech AT60ED 60mm and the Apertura 60mm FPL-53 Doublet APO Refractor, I like the weight and the size of both for my. Note that the Orion is an. Altair Astro Limited is. Really nice and bright, especially (“esp. 265. 8X reducer/field flattener is designed for prime focus astrophotography. . 11/10/2023 04:51AM. I was very excited - until I opened the box to inspect my new telescope. William Optics z61 with field flattener. 8X, focal length drops to 320mm @ f4. Since I had a GSO 0. 0mm) = 20. Quick view. Page 35 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : Pete mentioned they are expecting stock this month. Page 1 of 2 - Astro-Tech AT60ED - posted in Beginning Deep Sky Imaging: Hi folks, curious on peoples take on this scope. It is best used for lower power wide viewing 30-50X. Works great with these and similar models. I've calibrated the E steps. This camera sensor is quite different from the one in the ASI294. 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. Same ratio applies if each is mated to a 0. Astro-Tech AT65Q ED. There are three set-screws which secure this in a recessed track, plus a thumb-screw for locking it in position. It's FPL-53 or equivalent vs. Add to View. 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. Joined: 26 Jul 2020. com is the leading portal for astronomy news, classified ads and telescope reviews. The important performance updates come in the type of ED element combination and the type of focuser the AT102EDL is built around. (0. 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. With the ST80 I was always afraid of breaking or misaligning it somehow. The camera side of the reducer uses 48mm T-threads to connect to a T-ring and camera body. Vostok 1. Hopefully someone here has. . Discontinued Product ZWO EAF ( Electronic Automatic Focuser) $199. For planets/ moon general viewing you could also look at the skywatcher 100ed F-9 or the TS-102ED F-11. Fun to view with. Some of you suggested the AT72EDII and it looks like a fantastic scope,. Resolution Formula: ( Pixel Size / Telescope Focal Length ) X 206. com and they have no idea. Page 1 of 2 - Astro-Tech 66ED -- first impressions - posted in Refractors : I finally picked up an Astro-Tech 66ED this week from Astronomics and have been playing with it much of the past couple days. 83 (ex. . 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. 8X Reducer/Flattener + Williams Optics Guidescope package. 2 oz with the rings and dovetail, 5 lbs 4 oz without rings and dovetail. 5 and F6 versions. $75. Same fit and finish. William Optics RedCat 51 (Upgraded Version) + William Optics 48mm T-mount for Sony E-mount 2. 95. Focal Length: 360mm. I have been considering the Astro-Tech AT60ED 60mm and the Apertura 60mm FPL-53. 67 (ex. Both great scopes when coupled with the William Optics adjustable flattener. The foam conversion is not pretty but it safely holds the entire set up in a easy to carry case. The price difference between the two not counting taxes or shipping is only about $10. So don't be a stranger. Astro-Tech . Mpaige10 likes this Back to top #36 Mpaige10 Mpaige10. 5" rack-and-pinion focuser with 10:1 ratio fine focusing. Astro Tech AT60ED Bahtinov Focus Mask -RED-AT60ED . Donation is not required by any means, so please enjoy your stay. 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. ( 3. IMG_0602. The new 80EDL is a doublet and F/7. At 80mm aperture, this is a fantastic option for those wanting to spend their nights imagin. Both WO refractors show exquisite but the price is expensive too, Sky Rover 60ED APO and WO Z61 looks no different to me but it is on a attractive price, the last AT65Q is already discontinued, but reviews are good. 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. Im looking for a 300mm vintage lens or more but. Telescope Express TS Photoline 60mm f/6 is the same scope as the AT60ED, but a different color. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. 1000 mm. • dual-speed rotating 2" rack-and-pinion focuser with 10:1 ratio fine focusing. The AT 115 is coming into the U. The back focus is 55mm from the shoulder of the reducer to the. Greetings to all! I have for sale a near new, recent vintage Astro-Tech AT60ED. So we have the following in the “optical train”: Telescope > Reducer/Flattener (55mm spacing) > Stacked extension rings (total 20. Add New Equipment To Database. This is my first impressions shortly after receiving the telescope. 6M subscribers in the astrophotography community. 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. This is cocooned by an impressively long retractable dew tube that moves with silky smoothness. Hello everyone, The skies are finally clearing up and I had a chance to test out the Astro-Tech AT70ED. 8X Reducer for 72EDII (ATRF72) Accessory: 24: 164: Astro-Tech . Astro Tech, Feather Touch, Please be aware that not all modules from the brands above are supported. The AT 60EDs are back in stock!Cloudy Nights. Celestron Nexstar 102 GT computerized 4” refractor $140. 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 have stacked CR2 files in sequator without problems, so that shouldnt be your problem atleast. You can image objects like the Heart nebula, Andromeda galaxy, Veil nebula and many more. There's a batch of Apache sale coupons in the latest HF e-blast if anybody's interested. Alan Hancox. Joined: 06 Jan 2005. Astro-tech AT60ED + Astro-tech 0. Mount Type: Two 1/4-20 threaded holes on foot with spacing between holes: 30mm. 00 £2,082. by Bigzmey » Sun Jun 20, 2021 1:21 am. Posts: 3,915; Joined: 08 Jul 2014; Posted 14 August 2019 - 08:09 AM. VAT). 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. Replacing the foam in an old Astro-Physics telescope case. The scope weighs in at a light 3. SV102ED, 102mm objective, f/6. 25 pounds, this super compact telescope is a great tool to have whether it is your main. Wanted- Tele Vue NP101 or NP101is. Astro-Tech 60ED: not yet fully evaluated. I’ve been lucky enough to spend a few months basking in the spectacular far southern sky of New Zealand. Astro-Physics 155mm f/9 EDT refractor; 10" f/6 Starsplitter Compact Dobsonian with Nova optics; 3. The scope is a f/5. 85 reducer/ flattener. The sleeve between the flanges is what affords the full 360˚ rotation of the focuser. Its fully multi-coated optics provide bright, clear images that are free from distortion and color. I've been reading forum topics, reviews, and trying to get as much information as possible. Although designed primarily for use with the new Astro-Tech AT60EDT triplet apo refractor, and priced at only $119. 00 £1,499. This will be for visual use; no photography planned at this time. Includes the following; 6260 mini 60Ed, 7060 tube rings, 7857 helical focuser, 7604 extention tube, 7364 adapter,7920 adapter, 7317 eyepiece holder and 7885 . 25" dewshield extended. Seems expensive. The Astro-Tech AT60EDT is a superb grab-and-go visual scope, a fine wide-field astrograph, and a daytime spotting scope. 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. $419. VAT) Out of stock. 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. It not only has great reviews, has FPL-53ED glass, and a clear price advantage. $60. Canon 100-400 IS I vs. Leo Triplet NGC 3628, M66, M65. Thats why I was comparing the Astro-tech with it. The flattener is threaded for attachment to the telescope via a 54mm metric thread. AT60EDP Then I googled for it to try to get more information and couldn’t find anything. The EDL is an f/7 and the EDT is a triplet at f/6. I would get an Erect Image Diagonal for correct terrestrial viewing. The ZWO ASI533MC Pro. 8x reducer/field flattener for f/6 refractors is now available from stock. ASTRO-TECH AT72ED 72MM F/6 ED $379. Askar FRA300 f/5 Quintuplet. Zenithstar 61 II vs. A super compact ED refractor with dual speed rack and pinion focuser, proper tube. Listed below is the advert with the parts i have been sold. This l. Now with zwo1600mm camera. The camera side of the reducer has 48mm T-threads to connect to a T-ring and camera body. Altair's is almost the same name:Astro-Tech 60ED on Orion Tritech II tripod, StellarVue MV1 mount head: Maybe about a dozen pounds fully dressed? It is a true (for me) grab-and-go outfit, and can be carried outside and around the yard, as needed, with a couple of eyepieces in my pocket. Ended up just ordering the 7” Astro-Tech dovetail which hopefully will arrive tomorrow. The Long Story: I like refractors. Astro-Tech . Help us to grow by adding additional equipment to the database. Pocketprep has over 1000 covering the 7th edition. Sears 60mm x 700mm "Discoverer" (Towa) achromat, circa 1968, vs. 5 to f/7 range that use a 2" focuser. The focuser can rotate as well to help you get the perfect framing. 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. Price when purchased online. Ready to go on Celestron AVX mount with ZWO ASIAir Pro and ASI294 color camera. Theres two mounting screws on each side of the scope. 00. ) and is 125mm long. 95. You can still get good images, but you would need to. The user manual says that it provides a library of LabVIEW wrapper around the OmniDriver . 00 £806. 8x Reducer. Askar FRA300 f/5. 5 to f/7 range that use a 2" focuser. It has dual. 8 with the optional 0. eBay item number: 284284336129. If it is a repeat please delete. 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. 25" · Optolong H-Alpha 7nm 1. Performance is probably similar, but I'd love to see a comparison done. The FCD100 ED Doublet lens gives very good colour correction, controlling hot blue stars especially well. 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. This uses the FB shoe and has a machined adapter that attaches it to the top of a 1" wide telescope mounting ring. Inverted monochrome Annotated Large size Full size User. 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 rings have a 79mm internal diameter designed to fit the Radian 61mm refractor, but will also fit any refractor with a 79mm OD tube. Telescope N 130/900 Explorer EQ-2 with EQ-2-motor drive. Reduced retraction. 5 to f/7 or so. 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. 1 lbs: 7. -- 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. It suffers somewhat from field curvature and the owner’s aging, less-than-accommodating. SWAS70ED-OTA-RED70M54. It is high profile to look over the tube rings. F/5, 300mm. A few on the back. It’s $949. Its 420mm f/7 ED air-spaced apochromatic. #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. -- 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 Screenshot _25_. I figure learn what Im doing, then. From my experience and knowledge I have learned the past year or two, I want a small refractor for my ZWO ASI1600mm. •. Most Read Articles • Contact UsContact Us • Moon PhaseAstro-Tech 60ED Unboxed Equipment Discussions. 00. 8x focal reducer/flattener from Astronomics. You can image objects like the Heart nebula, Andromeda galaxy, Veil nebula and many more. 8X Reducer for 60ED (ATRF60) Software Adobe Photoshop · Pleiades Astrophoto PixInsight · Steffen Hirtle GraXpert Guiding. Former President Trump on Monday hired white collar defense attorney Todd Blanche to lead his legal team ahead of his arraignment in New York City, Fox News Digital has learned. 0mm) > Camera (17. 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, . FPL-51 or equivalent in the triplet. I am not clear how the more expensive triplet like the Sharpstar or Radian would be better, given the positive reviews of the lack of color shift in the AT telescope. 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. The telescope-side barrel is threaded for standard 2″ filters so you can attach a light pollution filter. 8x CCD Telecompressor for 92mm Stowaway and 105mm Traveler. This is in superb condition having been used on only a few occasions. . For visual I would go for at least 80mm, but if you have $$ 100mm ED/ APO is what you really want for visual. View profile Send private message Share; Navigation contextTelescoape astronomice, microscoape si binocluri pentru profesionisti si incepatori. The AT70ED's focuser can handle a binoviewer much better. Decent 2" rack and pinion focuser with sufficient focus travel. Dual ED - posted in Eyepieces: Any opinions on the Astro-Tech Premium Flatfield (PF) eyepieces versus the Dual ED eyepieces available from Astronomics and Agena? It seems like one is better-corrected for field curvature but the other is better-corrected for chromatic aberration. Astro-Tech 60ED Unboxed Equipment Discussions. FF130. 5 (900mm). An Astro-tech 102 EDL is close to your budgeted amount and loaded with premium glass and accurate Strehl. At the business end, the two-inch optical back consists of a millimetre-graduated lockable two-speed focuser and a 1. Starwave 60ED Imaging Refractor From: £379. Buy telescopes and telescope accessories at Astronomics. On the front end, the retractable dew shield has an OD of 121mm, in case anyone is considering putting a filter there. 8x reducer/flattener, which are in stock now? I was dead set on the AT60ED for the incredible value but am getting antsy waiting. Astro imaging bundle. Find the position of dust or reflections in your optics. $ 390. The Starwave 60ED is super compact with a modular design. The home to all amateur astronomers & telescopes! Feel free to discuss anything astronomical here, from…. 34mm and that is the thickness of the spacer (s) you require. AstroDMx Capture with an SV605CC and an Altair Starwave 60ED doublet refractor with field-flattener and dew heater strip. 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. Edited by Phillip Creed, 11 July 2023 -. Hello guys. ASTRO-TECH AT72ED 72MM F/6 ED $379. Star test results using an artificial star at a distance of 60 feet. William Optics Adjustable Field Flattener For Zenithstar 73 £209. 8, and after a lot of Googling, including a long look at Astro Bin, I went with the Sigma 180mm f2. 00 £958. The Astro-Tech AT80ED has a retractable lens shade and comes in a locking aluminum-frame carrying case with room for accessories. VAT) Altair 70ED Triplet APO Refractor Telescope From: £759. I’ve owned both the ZS61 and AT-60ED. 67 / 5 ) $ 770. And since we're a family business, we plan on being. You can still get good images, but you would need to. I hope you guys will like it. . Nevertheless, at focus, at 90x, using a 4mm "planetary" EP from Agena, I was able to get clean splits of Porrima, Algieba, and Castor. 00. I'd expect them to be similar. It functions as a handle (This is fairly obvious from the name. 00. Product Description. $699 A little longer FL than the Astrotech and one less element of glass to offset the weight of a 2" diagonal. Page 1 of 5 - Astro Tech 80EDL or 80EDT? - posted in Refractors : Was wondering if anyone has experience between these two scopes. You need to space an extra 9. A super portable refractor telescope with FCD100 ED glass, suitable for astrophotography or visual use, day or night-time. . → Refractors. SKU: N/A Category: Discontinued Product. Astro-Tech recently re-released the 65EDQ and was available for immediate delivery. Focusing Masks For Telescopes. DETAILS. 67” and 2”. Nothing affecting the view. Focal Ratio: f/6. com and they have no idea when they will be. Thank you Jeremy #2 06-01-2016, 06:11 PM barx1963 (Malcolm) Bright the hawk's flight : Join Date: Nov 2008. buy. in tandem with the MiniBorg 60ED for convenient RACI star hopping. Looks like it could be quite interesting, and at a very reasonable price: Wow. JPG . 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. 95. The AT70ED is bringing ED optics to you at a fantastic price. 00. The distance needed is 54. 25″ with it. Posts: 711. And I thought As. The Apertura 60EDR APO refractor can be used as a travel telescope, a guide scope, a super finder, or a spotting scope. Reviews. The opening of the shoe will accept generic Vixen style finder brackets. 001at60ed. Based on the classic two-doublet Petzval. I thought that I would do an unboxing of the newest addition to the family. 9. It goes through numerous inspections, at the factory, at Tecnosky and Rupert at Astrograph also checks it out before dispatch. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. And comes with a test report. 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. 8 reducer for ED60. While this Astro-Tech ATRF72 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. 975, but. Starwave ASCENT 60ED F6 Refractor. 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. So don't be a stranger. Astromart. Manufacturer. ASTRO-TECH AT60EDP 60MM F/5 DUAL ED PETZVAL OTA - posted in Refractors : I saw this for sale on the Astronomics website today. Here are a few comments for those who may be considering purchasing one. 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. Astro-Tech 60ED and NEW x0. 8x flattener. Astro-Tech Product #: AT60GS . William Optics 6AIII 0. Back to top #7 nicknacknock nicknacknock. Joined: 06 Jan 2005. 50 UK Price £. Page 1 of 3 - Orion 80mm ED APO Refractor v. 17 (ex. The Astro-Tech 1.