Cloudy Nights. Astro-Tech College Tuition Sale; iOptron 20% Off Sale While Supplies Last; Meteorites. 00 £632. 05167v2 [astro-ph. 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. The Starwave 60ED is super compact with a modular design. I have a little Astrotech 66ed that I want to mount on a little Televue alt az mount. The important performance updates come in the type of ED element combination and the type of focuser the AT102EDL is built around. We have found them to be too long and they have caused damage to the finish of the finderscope drawtube. 80mm. 7. 66X focal reducer/flattener, 240sec, ASA 1600,. 50 mm - 60 mm High Profile Rings. Suitability Calculator. This scope is the ultimate doublet refractor for those not wanting the weight and cool down of a triplet optical set. Comes with the Astro-tech Camera Angle adjuster. Here are some additional photos captured during yesterday's annular eclipse from Roswell, NM using an Astro Tech 60ED f6 refractor, 1. The objective has just a few specks of dust which can probably be removed with a simple air-bulb. 8, and after a lot of Googling, including a long look at Astro Bin, I went with the Sigma 180mm f2. It combines solid build quality, good looks, and high-quality optics in one relatively inexpensive package. 8X, focal length drops to 320mm @ f4. Sure there is another one also out there. ·. Buy telescopes and telescope accessories at Astronomics. 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. Astro-Tech AT60ED 60mm or Apertura 60mm FPL-53 Doublet APO Refractor - posted in Refractors : I am looking for a terrestrial scope that can also be used for a grab-and-go scope. 11/10/2023 06:06PM. . ) They also have reviewed the higher spec Growler 40 some time ago. Astro-Tech AT60ED . Shipping and handling. 80mm. But at this price range, it could not be better. AstroBin is an image hosting platform and social network for amateur astronomers and astrophotographers. Mounting to a Refractor Mounting Ring: Select the F002 E above. The Altair Astro Starwave ASCENT 70 ED is a solid option for travel and wide-field astrophotography. 67 (ex. 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. Wanted- Tele Vue NP101 or NP101is. You can image objects like the Heart nebula, Andromeda galaxy, Veil nebula and many more. Weighing 19 pounds with tube rings and finder attached, this triplet is a 127mm, f/7. View profile Send private message Share; Navigation contextPage 1 of 2 - At102edl mini review - posted in Refractors : It’s mini because my experience with refractors is mini ,however with all the speculation of how good the edl 80,102 and 125 would be , I can say I am very pleased with the 102. Posts: 137; Joined: 04 Aug 2020; Loc: New Hampshire, NH; Posted 18 April 2021 - 08:31 PM. 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. The Astro-Tech AT150EDL is the largest apeture telescope in the EDL series. Really nice and bright, especially (“esp. 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. Although designed primarily for use with the new Astro-Tech AT60EDT triplet apo refractor, and priced at only $119. Astrophotography is better when you use several programs to control the mount, control the camera, perform active guiding, etc. Orion Versago II is another that would work fine. 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. 00 £806. I am selling my Astro-Tech 60ed + . I thought that I would do an unboxing of the newest addition to the family. Astro-Tech. 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 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. Astro-Tech 60ED vs. MPN. Please contact the webmaster if you have a recommendation based on positive experience, if possible with a sample image 1280 x 720 pixels min). Brands / Companies 925 ; Cameras 3311 ; Sensors 465 ; Telescopes & lenses 3753 ; Mounts 613 ; Filters 2238 ; Accessories 1410 . Astro-Tech 60ED. 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. 67 (ex. It not only has great reviews, has FPL-53ED glass, and a clear price advantage. $599. GA] 22 Nov 2018. VAT) Altair 70ED Triplet APO Refractor Telescope From: £759. Some of you suggested the AT72EDII and it looks like a fantastic scope,. The EDT triplet is surprisingly 2 lbs lighter and comes with a case. The new Astro-Tech ATR8 2" 0. 95. Deep sky object photographic data courtesy: DSS/STScI. 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. Please tune in for my 1st impressions of it. Astro-Tech Product #: AT60GS . From my experience and knowledge I have learned the past year or two, I want a small refractor for my ZWO ASI1600mm. -- 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_. . 60ED APO F/6 The new 60ED APO telescope from Sky Rover has excellent optics, a small and portable body, weighing less than two kilograms, so that you can travel to observe and photograph, no longer physical work, better enjoy the stars. 25" dewshield extended. Theres a couple of dust spots in the lens but doesn't affect imaging and some marks on the dovetail. Here are a few comments for those who may be considering purchasing one. Astro-Tech 60ED Unboxed Equipment Discussions. Starwave 60ED Imaging Refractor From: £379. 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. Note that the Orion is an. 00. Posted 30 August 2021 - 02:24 PM. On close inspection of the frames i have coma. 8x Reducer / Adjustable Field Flattener for GT71, GT81, Z81 & Z103. 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. It measures 35" (889mm) long, 10. This is a great little portable package. Joined: 26 Jul 2020. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. This Astrozap focusing cap with built-in Bahtinov focusing mask will fit most 80mm aperture fast focal ratio ED refractors, such as the Astro-Tech AT80EDT ED triplet apo, or any scope with an optical tube or lens shade measuring between approximately 101mm (4") and 110mm (4. Fun to view with. The Astro-Tech 60ED 1x flattener easily threads on to the focuser of your AT60ED after your remove the standard compression ring eyepiece holder. The Orion version uses FPL 53 glass but has a cheap focuser. 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. - Astro-Tech AT72EDII f/6 - Explorer Scientific 80mm f/6 ED I don't want to spend too much budget on astronomy yet, i will not buy so expensive high end gear so i will keep myself in the intermediate or entry level if necessary, that is including the refractor as well, that budget i think it is in entry level to intermediate level, above $3000. Astro imaging bundle. We've picked some of the best budget and high-end travel telescopes. Thats why I was comparing the Astro-tech with it. You get a single ring with a. View. It goes through numerous inspections, at the factory, at Tecnosky and Rupert at Astrograph also checks it out before dispatch. The TV-85 is a great scope for astronomy with it's increased light gathering but too big and heavy to carry. $139. As a short refractor, it's meant for wide-field views and astrophotography. 4KidsOneCamera • 3 yr. 5mm, 21mm, 11mm spacers > ASI294. The Tecnosky 90 OWL is a triplet with Ohara FPL-55 glass and a guaranteed minimum strehl of 0. $369. 00 Not FPL-53. Its 420mm f/7 ED air-spaced apochromatic. ·. (From the website). 8x Reducer Field Flattener For the 72EDII Optical Tubes. Add To Cart. For Sale. This model fits the Astro Tech 60ED perfectly. 8mm so, if so, you are already too long before adding spacers. buy. The flattener produces wonderful flat fields as well as a 41mm image circle. $75. 92 (ex. I want to invest in my first astrophotography telescope which would be used with my iOptron SkyGuider Pro. So don't be a stranger. 00 £2,082. Redcat 51 With ASI585MC. So, no DSLRs with the Evoguide and at the moment, there is no way around this. 95. Please Log In to view the details for this classified ad. Astro-Tech AT106. The Astro-Tech ATRF60 0. Astro-Tech AT60ED Field Flattner - posted in Equipment (No astrophotography): Hello, 5 months ago I purchased an Astro-Tech AT60ED telescope. Inside the cap is a wheel that can be rotated to either line up the Bahtinov. At`$550, you should be getting an FPL-53 doublet. 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. It is not too heavy and gives you a focal length of 288mm. The price difference between the two not counting taxes or shipping is only about $10. On the front end, the retractable dew shield has an OD of 121mm, in case anyone is considering putting a filter there. Altair Astro Limited is a UK CompanyCurrently, I want a frustration free experience before taking up bigger challenge. AT60ED AT72ED II AT92EDT AT102ED Thank you very muchAn astrophotograph by Gideon Golan on AstroBinAstro-Tech AT60ED and AT72EDII Black Friday Sale; Universal Astro Sale; Various Used and Demo Scopes and Mounts; iOptron 20% Off Sale While Supplies Last;. Pending edit 1; Mounts 621 ; Filters 2238 ; Accessories 1413 ; Software 386 ; Contributors 50 ;Page 1 of 2 - PF vs. Tossed up between the Red Cat, the 60ED and a Sigma 180mm f2. There is no comparison with the default Synta focuser. Here you will find the most modern cameras and accessories for astrophotography at top prices through direct import. Its apochromatic refractor design ensures that you get high-quality, clear images with minimal chromatic aberration. Astro-Physics. But the William. Telescope Service is one of the leading astronomy Dealers in Europe. 5 to f/7 range that use a 2" focuser. Obvious differences -- the AT 115EDT is a triplet apo, the SW 120ED is a doublet. 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. The really odd part is that the SV60EDS and AT65EDQ look as if they came out of the same factory! Same focuser. 5mm and extension tubes will not be required. 25" non-marring compression ring accessory holders. The Astro-Tech AT60EDP Astrograph from Astronomics is a unique apochromatic ED Petzval refractor astrograph that has a four lens fully multicoated optical system. Astro-Tech AT65Q ED. by Bigzmey » Sun Jun 20, 2021 1:21 am. 9 specification likely results from a lens cell with a slightly larger entrance pupil). Brands / Companies 931 ; Cameras 3319 ; Sensors 465 ; Telescopes & lenses 3756 . 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. 25" · Optolong Red 1. The AT 115 is coming into the U. These mount holes are 20mm apart, is this a standard size, or do I. Artificial stars at a. The new Astro-Tech AT80EDL is an extension of the beloved 60ED and 72EDII. They have the standard 102ED for like 560. Length: 18" dewshield retracted, 21. Reviews. If you can't wait, or want to know more about it, its the same thing as the TS 80mm F7 doublet. Mechanically, the 2. The focuser can rotate as well to help you get the perfect framing. I would get an Erect Image Diagonal for correct terrestrial viewing. I thought most t-rings were at 9. Astro-Tech AT72EDII Refractor OTA FPL-53 f/6 $469. 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. 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. 8x Reducer Field Flattener For the 72EDII Optical Tubes. Astro-Tech Product #: AT60GS . Works great with these and similar models. 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. Does Not Apply. Due to the bracket being thicker you will have to put longer bolts in. 5). 00. 8X Reducer/Flattener + Williams Optics Guidescope package. ready for shipping in 24 h. 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. Add to list. buy. 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. 25" · Optolong Green 1. Seeing, focus and the mount will do more for better image quality than splitting hairs to justify spending double. 5" long with. • a rotating dual-speed 2. 85x (#7885) Tube Bands - Pair (#7060) The entire package is enclosed in an Astro-Tech case. Product Details. 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. This is strictly for visual and Im trying to decide between the 2 of them. 10" Saddle Plate for Both D-Style and V-Style Bars (DOVEDV10) $240. Artificial stars at a. 33 (ex. Portable Astrograph. SWSA is a small and portable tracker, not a full-weight mount. Yes it is a nice guidescope, and sometimes it will be used in that capacity, but unlike most guidescopes this one has an FPL-53 objective and an imaging focuser. Feel free to make a contribution! Learn more. Not so good for planets. 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. Star test results using an artificial star at a distance. 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. This is strictly for visual and Im trying to decide between the 2 of them. Having heard many good things. Astro-Tech 60ED Unboxed Equipment Discussions. Astro tech 60ed . You need to space an extra 9. 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. Price when purchased online. ") at 15mm. Nor do it see it in my faster Dobs with a. I thought that I would do an unboxing of the newest addition to the family. . 00 £547. Due to a stock re-organisation, Altair is closed to visitors and we cannot take phone calls between Mon 25th and Fri 29th - we are still shipping goods but there will be a 1-2 day delay in shipping. 1 William Optics. Both great scopes when coupled with the William Optics adjustable flattener. This is in superb condition having been used on only a few occasions. Seems expensive. Whether you are bird-watching or simply enjoying nature's beauty, the advanced apochromatic system with ED (extra-low dispersion) glass minimises colour fringing. 8x Reducer Field Flattener For the 60ED Optical Tubes. 60ed. ( 3. While the Astro Tech 66 is no competition for the hight priced / higher quality true APO’s, you will get very pleasing images both visually and with CCD / DSLR cameras. If you wanted this scope but with blue trim, congratulations. Add to cart. 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’s really helped me understand the basics so I can evaluate the quality of my larger refractors outdoors. FCD-100 is comparable to FPL-53 but FK-61 is more like FPL-51. While this Astro-Tech ATRF72 0. 6 lbs: 8. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. 00 £958. Starwave ASCENT 60ED F6 Refractor. Inside the cap is a wheel that can be rotated to either line up the Bahtinov. 5 MC Red, mint condition. More focuser will be supported in the further. 8X Reducer/Flattener + Williams Optics Guidescope package. Thank you @peter k! My goal is to pit it against my other two refractors in a 2 against 1 competition. To the OP. 00. Astro-Tech 65mm Quad: 6. And since we're a family business, we plan on being. $139. → Equipment Discussions. 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. 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. Win some, lose some. 8X Reducer for 60ED (ATRF60) · Raspberry Pi Raspberry Pi 4 Software Adobe Photoshop · Aries Productions Astro Pixel Processor (APP) · Astroberry Project Astroberry Server ·. 5mm between the camera and the flattener. This is markedly higher reflectivity than the 88% of a conventional aluminum diagonal or the 96-97%. 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. The Astro-Tech ATRF60 reducer/flattener threads on the 60ED focusers. The TV-60 is the ultimate travel scope and. 25 pounds all together. The Starwave 60ED becomes a fast astrograph at f/4. Posted 23 May 2019 - 11:05 AM. → Beginning Deep Sky Imaging. (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). Focusing Masks For Telescopes. 00. The sleeve between the flanges is what affords the full 360˚ rotation of the focuser. Astro-Tech 60ED. When adding an eyepiece or binocular, please don't include the magnification or aperture details in the model, this will get added automatically. Guidescope Suitability Calculator. 34mm and that is the thickness of the spacer (s) you require. Wanted. 83 (ex. 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;. The Astro-Tech AT60GS guidescope is a 60mm aperture 240mm focal length (f/4) achromatic refractor with a helical focuser. Thoughts on the Astro-Tech 80EDT? - posted in Beginning Deep Sky Imaging: Hi, Im looking to actually purchase my first personal astrophotography telescope (I have been borrowing one all this time). Switched from a SvBony 80ED to a new Astro-Tech 80EDT, apochromatic triplet telescope. For planets/ moon general viewing you could also look at the skywatcher 100ed F-9 or the TS-102ED F-11. 8. #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. Hopefully someone here has. UPC. Tecnosky 90 Triplet f6 'OWL' APO. Not wise. It's a 102mm f/7 doublet refractor made with fk61 ED glass. arXiv:1810. Optics Type: ED FPL-53 Refractor. 1 lbs: Keep in mind, the weight of these configurations will vary depending on the exact camera body you are using, and does not include any extra weight such as field flatteners, filters, or guide telescopes. VAT) Altair 70ED Triplet APO Refractor Telescope From: £759. It uses two ED elements in its configuration and offers the unique flat field ability inherent with the Petzval design. in small batches and is often on back order, the SW 120 is easy to find. 11/11/2023 09:35PM. Astro-Tech 60ED Unboxed Equipment Discussions. I own a TV-60, Astro Tech 60ED, and a TV-85. By attaching the dedicated 0. The AT60ED is the perfect size scope for traveling. Buy telescopes and telescope accessories at Astronomics. It's FPL-53 or equivalent vs. Buy telescopes and telescope accessories at Astronomics. Ready to go on Celestron AVX mount with ZWO ASIAir Pro and ASI294 color camera. Astro-Tech AT60ED 60mm f/6 FPL-53 ED Doublet $369. Cost over $1100 on Hutech's site. Astro-Tech . So we have the following in the “optical train”: Telescope > Reducer/Flattener (55mm spacing) > Stacked extension rings (total 20. Focal Length: 360mm. A super portable refractor telescope with FCD100 ED glass, suitable for astrophotography or visual use, day or night-time. While this Astro-Tech ATRF72 0. Brand new adjustable field flattener for the William Optics Zenithstar 61 OTA. WO Zenithstar 61 APO $478. 001at60ed. Altair MG32 mini guider. 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. 265. It is not too heavy and gives you a focal length of 288mm. Based on the classic two-doublet Petzval. SWAS70ED-OTA-RED70M54. Does anyone know if a ring is made for this purpose? Also, Is it ok to store a Celestron 6se outside under a tarp. Most Read Articles • Contact UsContact Us • Moon PhaseThe two silver allen bolts in the center of your photo. Altair Astro Limited is a UK Company Currently, I want a frustration free experience before taking up bigger challenge. 83 (ex. 25" Adaptor, Carry Case, Tripod Base / Tube Ring. I already have experiences with vintage lenses, Vivitar 200mm f3. If this Astro-Tech AT80ED was just another 80mm refractor, the quality of its optics alone would still make it a superb value. 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. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. " . Someone has had SharpStar painted on the side. 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. SKU: N/A Category: Discontinued Product. Which might work better in a Maksutov. I’ve been lucky enough to spend a few months basking in the spectacular far southern sky of New Zealand. Astro-tech 60ED FPL53 glass wide FOV imaging setup. Astro-Tech AT60ED Backfocus Question - posted in Equipment (No astrophotography): I just received a brand new AT60ED today which I purchased hoping to upgrade the guidescope I was using. Astro-Tech . Page 1 of 5 - Astro Tech 80EDL or 80EDT? - posted in Refractors : Was wondering if anyone has experience between these two scopes. Most Read Articles • Contact UsContact Us • Moon PhaseAstro-Tech 60ED Unboxed Equipment Discussions. We carry all brands and products, like Meade telescopes, Celestron telescopes, and more. Then I noticed in another thread about that telescope the Astro-Tech 80ED being mentioned as something one of the respondents would buy instead. Seller assumes all responsibility for this listing. One of those world class designers was Thomas Back. Guidescope Suitability Calculator. It is measurably the best no-compromise portable photo-visual refractor Takahashi has ever built, and they've built a lot of very good scopes over the years. Ender 3 Pro V2 Direct Drive Speedy Spider Hot End 3DQF PLA. The Astro-Tech AT125EDL is an extension of the beloved 60ED and 72EDII. Sky Rover 60 ED APO with field flattener. 20. 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. 67 = 2 / 3, 2 = 4 / 2). 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. An Astrozap focusing cap is a lightweight aluminum cap that fits over the front cell of your telescope. 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. This version has the rack and pinion focuser, and optional guide scope clamp for imaging. 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. An Astrozap focusing cap is a lightweight aluminum cap that fits over the front cell of your telescope. Product Description. This Astro-Tech AT80ED refractor has: • split tube rings with detachable Vixen-style dovetail for installation on virtually any mount. Now some tubes will need a little extra felt, like the Astro-Tech 60ED. 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. (They have a first look video out already. The scope weighs in at a light 3. 5 (Komine Made) m42 and Carl Zeiss Jena 135mm f3. 2 V. It is high profile to look over the tube rings. The foam conversion is not pretty but it safely holds the entire set up in a easy to carry case. I have for sale a near new, recent vintage Astro-Tech AT60ED. The FSQ-106ED is a 4. Parameters: Size: 59mm x 52mm x 41mmAT72EDII vs SV503 70ED - posted in Beginning Deep Sky Imaging: Im looking for a small portable refractor to get into AP and Im currently looking at a used AT72EDII or a new SV503 70ED, both include field flatteners. Altair Starwave 60ED AstroBin's equipment database is entirely maintained by the community.