Ive give it another try. While I wait for astronomics to deliver my scope, I would like to understand if I really need to also purchase a 0. 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. My question is the tripod. AT60EDP Then I googled for it to try to get more information and couldn’t find anything. But they have another 72ED for $399, do not know the difference. 25" (286mm) deep including the feet that prevent the case from resting directly on the ground. 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. I have looked at, researched, considered astrophoto-worthy computerised EQ mounts. The Astro-Tech AT60ED is priced at $369US and comes standard with a 2″ to 1. Page 17 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : If you are talking about the type of visual reducer that threads into the barrel of an eyepiece, it should work (since they generally work with every other type of scope), although I dont think the images are going to be very good. 00. 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. 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. 1 William Optics Zenithstar 61. Page 1 of 2 - Oblong stars using Astrotech 0. 3. 8x reducer in my Apertura AT60ED. 2. Add new. In a mono ZWO setup as shown in the image, the tilt plate is in front of the OAG. Obviously they are small. Then you just thread the m48 t-ring on the end of the flattener. 00. The width of the foot on the AT60ED (38ish mm) exceeds the width of the Synta dovetail bar (30ish mm), so all you need to do is bolt the AT60ED foot onto the bar and you're done. And flat field eyepieces seem to me to be more of a gimmick than a real thing. In a color camera setup, the tilt plate is attached to the camera directly. $369. 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. → Beginning Deep Sky Imaging. Add To Cart. What I could use help with, is other than the flattner, and t-ring specific to my camera body are there any other accessories will be needed to hook this up to my Canon full frame and APS-C bodies?Piggyback on an Evo 8 - posted in Celestron Computerized Telescopes: I’m curious about piggybacking my AT60ED refractor on my Evo 8. I can verify that the TSFLAT2 from Teleskop-Express does NOT work well for visual . Both have FPL-53 glass. 25" long with it extended. The 4. While a dobsonian isn't ideal for imaging, it's the best choice in this price-range (e. 95. - 60mm is Easier to deploy as well as you don't have to come up with the stop-down stuff. Ive always imaged with a telephoto lens and decided to move to a refractor. AT60ED vs. And when it does come back in stock, Ive always missed reordering it. It also is the most forgiving of a light mount. What I dont have is an optical finder with interchangeable eyepieces that I can use on my refractors - specifically. You’ll want your overall output resolution around 1” per. My primary use will be for visual without having to spend time in setting up stuff and possibly carrying while travelling. The Astro-Tech AT60ED, with iOptron Cube Pro Alt-Az GoTo mount, Explore Scientific 2" diagonal, and the TeleVue Panoptic 41mm eye piece. 2mm DeLite gives a larger TFOV that is sharp in the APO's I compared (61mm f/5. Doing a simulation on astronomytools. Optics Type: ED FPL-53 Refractor. This Astro-Tech AT60EDT ED triplet refractor has: • 60mm f/7 fully multicoated apochromatic ED triplet refractor optics. One of the possibilities is the RedCat51 from William Optics. I got rid of my Orion ST80 guidescope + Orion StarShoot Autoguider camera to fund this purchase thinking Ill replace the functionality of the ST80 with this 60mm scope. Astro-Tech AT60ED 60mm f/6 FPL-53 ED Doublet $369. Download Center. In this review, I’ll tell you why I think the William Optics. 00. 0 Sensor/Hand Controller Interface 3. ASTRO-TECH AT72ED 72MM F/6 ED $379. I would get an Erect Image Diagonal for correct terrestrial viewing. I did want the same thing as you. 75 pound AT65EDQ measures a very compact 13" long with the dew shield retracted, and is only 14. Hi Avescio, I have had experiences with the SkyWatcher 72ED, which has more or less the same build quality as the 62. I also know that using a 40mm eyepiece at f/5 will reduce my effective aperture, but the resulting effective aperture will still be equal to or larger that the AT60ED at equal true field size. 00. 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, . This Astro-Tech AT80ED refractor has: • split tube rings with detachable Vixen-style dovetail for installation on virtually any mount. Apertura 60mm f6 field flattener options - posted in Refractors : I ordered my Apertura 60mm f6 scope last month. I was looking for a light scope almost got the AT72 ED. Mount Type: Two 1/4-20 threaded holes. While this Astro-Tech ATRF60 0. Jon. Sharpstar 400F5. 3. The handle will help making set up much easier as you have a solid part to grab onto and not just the tube. For about an extra $80 I could get an Astro-Tech AT60ED 60mm f/6 FPL-53 ED Doublet, which gets great reviews on Astronomics. It's heavier duty and much more precise in its adjustments. 25" accessory adapter, both with compression rings: The precision-made rack-and-pinion focuser has dual-speed focusing. . Reviews. Went mostly smoothly. But I ran into a used AT60ED for a pretty reasonable price and I decided to pull. - posted in Eyepieces: I am in the process of doing a total revamping of my eyepiece collection, of which I have too many, reducing the herd. Optics Type: ED FPL-53 Refractor. 0) teleconverter. Nice 360mm F/6 doublet with FPL-53 synthetic fluorite and Lanthanum lenses. Perhaps I will just wait another week or two and. Ive been using the screw (i think its 1/4-20) on the top of the dec bracket of the SA directly into one of the two holes in the base of. As Im looking at guide scopes it occurred to me I could just pick up an AT60ED for a little more than a true guide scope and run dual scopes. 8 reducer and/or my Hotech field flattener would work for it. Page 26 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : All basically the same. WO ZS61 or AT60ED? - posted in Refractors : After 1 1/2 years of frustration with extreme field curvature and optical axis tilt of my ES ED80, finally I decided to go for a new scope for wide field imaging. The top of the handle has Vixen compatible making it usefull for your astrophotography goals. 29 megapixel image sensor. 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. You get a 2" Rack and Pinion focuser with a microfine 11:1 fine-focusing ratio finished in our Aston Martin Grey trim. Since the AT60ED is a doublet, while well corrected, I've experienced star bloating when imaging with it. 5x! Generally, to get higher quality results, you need to reduce the sensor-to-reducer distance and -- accordingly -- the reduction factor. My friend uses it for quick DSO viewing, even though aperture rules. 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. Product #: ATVUPSB. The AT60ED is a very nice solid design with premium glass. Most eyepieces dont play. Greetings, I am looking forward to a refractor with short focal lenght. 0 deg TFOV. Technically the TV60. I would get an Erect Image Diagonal for correct terrestrial viewing. 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. I might have bought the new FRA 300 if a reducer were available for it, to get shorter than 300mm FL. • 44mm corrected image circle. Super sharp, and tiny with a 24mm eye piece. 12 Nov 2023. Comparing it to my excellent AT60ED it is a clear upgrade whereas comparing the AT60ED to AT72EDii the upgrade was borderline worth while and in my opinion really not practical in keeping both. ASTRO-TECH AT60ED - posted in Refractors : Hello everyone, I was thinking of buying the AT60ED. The aluminum-framed case has three locking latches. 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. ? Basically, as my first. Each frame taken with the camera is around 132 MB in size. The AT60ED has FPL 53 glass, takes high magnification well. 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. Ready to go on Celestron AVX mount with ZWO ASIAir Pro and ASI294 color camera. 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. Pick up the phone, or drop us a line, and we will be happy to be of service. 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. Based on my quick indoor test, it. Unguided with a skyguider pro camera tracker. I recognize that I will drop maximum true field of view from 7. Imaging with the William Optics RedCat 51, achieving great images with beginner equipment. My primary purpose of getting this scope is to get widest field and lowest power with my Night Vision. I feel as dense as neutronium. 25″ eyepiece adapter that has a non-marring compression ring. Focusing Masks For Telescopes. . First light with the Astro-Tech AT60ED - YouTube. Lukomatico just gave the Gear 60 a great review on YouTube. M45 with AT60ED and ASI533MC Pro - posted in Beginning Deep Sky Imaging: The data is from Oct 29, 2022. Easy to install and build quality is great. It’s about $48 new, but I bought mine used for $30 including shipping last year. Weight: 6 lbs 3. • 2" and 1. It is constantly moving. 5x and the TeleVue Delos 10. AT60ED as a travel scope - posted in Refractors : 16 x 9 x 7. And the results were blah with lots of CA, low contrast and general smearing. You get a single ring with a. I started out a year or so ago in AP with a Canon t3i, the Star Adventurer, and an AstroTech AT60ED. With a ZWO 120mc camera. 470 60-second lights, 30 darks, 30 flats with an AT60ED refractor and modified canon t3i. Social. 8 and sometimes 4. See spectacular views of the sun with a solar filter. Joined: 26 Jul 2020. Page 7 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : Ordered mine. One thing about the 17. 8mm" I have the Celestron 8SE with a focal reducer/corrector. Apertura 60mm APO Refractor Specifications. Loc: 3rd Stone from the Sun. 25" accessory adapter, both with compression rings: The precision-made rack-and-pinion focuser has dual-speed focusing. The logo on the tube shows some sign of wear, otherswise no scratches or dents anywhere on the tube. But the. 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. ago. No need for a Telrad. It worked well for all the other achros and ED's in my sig - that can handle a 2" accessory- but not the AT60ED. The Askar FMA135 is multipurpose. So until then I am stuck using scope uncorrected. It's just that easy to use. 8x reducer in my Apertura AT60ED. It’s really more intended for a visual scope, whereas the AT72ED is intended for photography. 25" Solarlite Film Solar Filter. Its been working quite well with my 1x Flattener. ASTRO-TECH AT60EDP 60MM F/5 DUAL ED PETZVAL OTA - posted in Refractors : I saw this for sale on the Astronomics website today. Best Regards and Clear Skies, Mike M. 44 TFOV. The ASCOM Platform is required for most of the drivers and other components. The finder bracket generally has two narrow rings, each with three nylon or nylon-tipped metal screws that hold the finderscope in place. I Needed a vixen dovetail for my AT60ED, this works perfectly. In it’s padded case, it is a wonderful. Also looking at Televue TV60, nice but too expensive for me. 5). $44. Im in Australia, so we cant get the AT60ED locally and this presents some issues. 5. Looks and works great on an Orion branded Intes MK67 with two 1/4-20 mounting holes. In fact, their body designs look completely identical apart from the Bahtinov mask. The AT80ED is bringing ED optics to you at a fantastic price. Im guessing the 8-inch OTA and refractor together should. Adding. 25 diagonal, and a Manfroto camera tripod with pistol grip for easy aiming. I have talked to the people at astronmics. 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. Note that adding guiding is a game changer, even at a. I think my copy has some defect, since. doc 6 3. Astro Tech refractors - posted in Refractors : Astronomics is advertising an Astro Tech 72ED for $299, and they have the AT60ED for $399, a hundred dollars more for a smaller scope. 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. 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. I love your images taken with it, by the way. ago. AT60ED II vs Evostar 72mm - tempt me either way - posted in Refractors : Somewhat tempted by the AT60ED but I am also considering the SkyWatcher Evostar 72EDmm. Ill deal. My old Sears 60mm refractor gave very sharp images, but not very useful for imaging. But I am looking at making my AT60 even more. 56 AT60ED @. Shooting with shorter focal length lenses (like your kit lens) will give you even longer tracking times. I have found that guiding works best for me in RA only. Joined: 26 Jul 2020. It's designed as a portable mount, and that payload capacity is quite. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. FCD-100 is comparable to FPL-53 but FK-61 is more like FPL-51. Scopes: ES ED-102 FCD100 CF, ZWO Mini Guide Scope, Astro-Tech AT60ED, Askar FMA180, Sky-Watcher Skymax 102. My primary purpose of getting this scope is to get widest field. the 18. WO Zenithstar 61 APO $478. 4KidsOneCamera • Certified Helper | Astro-Tech AT60ED | Sky-Watcher Quattro 150p •. This consists of two nights worth of data, at. Camera: ZWO 224 MC Telescope: Orion 180mm Mak Optical Accessories: GSO 2. While Im looking into guiding solutions for this. I understand that Astronomics will have a field flattener for the AT60ED by the end of October. If the finish and focuser is comparable to my AT 80ED, then it is really quite good. This will replace my AT60ED for ultra-wide field observing. 9×180 sec, QHY183C at Gain 20, Offset 0, -15C cooling, UHC filter, Astro-Tech AT60 ED at F/4. I initially had a few hours of extra data I tossed out, before I got my flattener for the scope. This is a 360mm f6 scope that is actually quite small. 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. I was initially considering the Orion 80ED, but the focal length is a little longer than I would like and I dont like the focuser. I'd also not go above 300 mm on any star tracker, you will not have a fun time locating objects. Seems expensive. The same stack that was shown in Post #11419. Thanks. They too made the choice to make portability their top priority and they’ve succeeded with the tapered tube and 1 1/4 helical focuser. Beginning Deep Sky Imaging. Smaller size and good optics are priority over budget. I got rid of my Orion ST80 guidescope + Orion StarShoot Autoguider camera to fund this purchase thinking Ill replace the functionality of the ST80 with this 60mm scope. 5 to f/7 range that use a 2" focuser. 5mm Morpheus vs. There is a certain amount of compromise inherent to the short focal length and achieving that wide field. 25 OTA (20lbs on C’s website) but that configuration also uses the bigger tripod. ZWO EAF + ASIAir + AT60ED Advice Sought - posted in Beginning Deep Sky Imaging: Just ordered a ZWO 5v EAF from Canada that shipped within 2 hours. Thank you. Ive been using this combination for about a year now in both Florida and now in Illinois. 75 pound AT65EDQ measures a very compact 13" long with the dew shield retracted, and is only 14. If the screws of the mounts clamp. com. If I had a dedicated astro cam, the OAG would be the. I am collecting a XWA + AT28mm set to be used with my AT80EDT, AT102EDL, and 150mm/F12 Meade Mak telescopes. Have not. 2mm DeLite gives you a 3. We wanted to bring the best value and performance that we possibly could in a large refractor. Now I am confused as which one to. Download All. It looks better from the outside, but when youre observing or doing astrophotography in the dark, you. Installation Here are the basic steps about how. For the planets, you need to focus on a particular detail and try to catch good moments of seeing to adjust the focus. I also a Celestron 6se. It has dual. You can still get good images, but you would need to. Get great deals on tube rings, mounts, and telescopes at Astronomics. AT60ED minimal eyepiece kit, etc. The negative is that it is only 60mm of aperture, so that greatly restricts resolution for planets as well as how dim one can go for DSO's. Page 1 of 2 - My First Cooled Camera - ASI533MC Pro (Settings Help) - posted in Beginning Deep Sky Imaging: Hi, I just bought my first Astro Dedicated Camera (ZWO ASI533MC Pro) which is an upgrade from Astro MOD Canon DSLR 70D. Page 3 of 12 - So, what good is a 60mm refractor anyway? - posted in Refractors : I LOVE my little AT60ED. Reviews. Edited by mikemarotta, 01 October 2021 - 06:44 PM. Im hoping by drifting the sun across the frame while doing the video recording, I can rely on stacking algorithms to. Look at the stars in the corners, theyre all distorted. The AT60ED has a supplied ring/clamshell with the. $69. 60 second Firecapture and back in the house to do a quick. So, subtract the thickness of the t-ring from 9. The 360mm focal length of the AT60ED means that the biggest factor is field curvature in very wide true fields of view. The Astro-Tech reducer/flatteners thread into the focuser for a solid connection. Mounting it to the left causes interference with the longer right-hand focuser knobs. at F/4. The AT70ED would make an alright scope, but it uses older glass which may be more prone to aberrations around bright stars. 8), a 1. The 18. I thought about the WO ZenithStar 81, but the difference between the 81 and 73 is just 8mm or roughly 1/3". Although it only guides in RA Id like to make use of it in the near future. 25" focal position using a 1. If you are able to, I would look at the AT72ED, or the AT60ED (the latter of which I use for my imaging). My previous views of M8,. Using a light panel for flats - posted in Electronically Assisted Astronomy (No Post-Processing): I just bought an 8x12 LED light panel for making flats with my various telescopes: AT60ED APO, AT80ED APO and Nexstar 8SE. So I am considering. com for the Astro-Tech AT60ED this morning. 00. Altair 60 EDF Doublet Refractor Telescope V3. Telescope configurations: AT60ED, AT60ED + 2x Barlow, NexStar 6SE, NexStar 6SE + 0. With the AT60ED and AT72EDii, I have a bit of redundancy, especially when you start adding reducers. Page 3 of 4 - TV-60 vs. 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. • a heavy duty nylon carry case. Getting stretched stars in the corners with both The FF for it is backordered on Highpoint Scientific and the one for the AT60ED is. First Light Images for a new Astro-Tech AT60ED telescope. • a rotating dual-speed 2. Usually it's best to use one which is designed for scope. Focuser: 2" Rack & Pinion with 10-to-1 Microfocus. Typical of Astronomics it's priced $200 less than the StarField. AT80EDT. I have a TSFLAT2 FF. However I have not been able to use it for astrophotography yet because the field flattner for it is on back order. 124K subscribers in the telescopes community. L. 8x reducer. The AT60ED with a 2 inch diagonal and an eyepiece such as the AT UWA 28mm is a finder. For the mounting foot, I use an Astronomics Astro-Tech 7" universal dovetail plate. Search the forum for each, there are a large numbers of thread about the AT60ED, and it's Kunming United factory mates, WO ZS61 and Apertura 60. It’s $949. (and to clarify this is not. Unless you want a super-finder, or are doing astrophotography, a 2" focuser on a 360mm scope is super-wide. The ZWO ASI678MC is a fantastic entry level ZWO camera you want for planetary imaging. I want to make sure that I dont stress to motor, so that the. These mount holes are 20mm apart, is this a standard size, or do I. )AT60ED vs. → Beginning Deep Sky Imaging. $69. Which opens up some options for both the 135mm (allowing easy rotation and framing) and the AT60ED, providing there's a good set of mounting rings for it. It does great with the 50mm, and mostly good with the 135mm. This Astro-Tech 3. Amazon had a great discount so i said why not? What i received was a disgrace. The AT60ED has FPL 53 glass, takes high magnification well. The Redcat will provide a better image. The Losmandy Dovetail is the short one from Astronomics (The issue is that in order to. TV-60 should be a lot less bulky. The FLAT61R will also work on the Apertura 60mm FPL-53 Doublet and the TS-Optics PhotoLine 60mm. I say go for it! It's a great little scope. - Jim Just tell them its not really pink - its seashell white! MikePage 30 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : Exactly when I decided to order AT60ED, Astronomics website shows AT72EDII availability as In Stock. 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. While this Astro-Tech ATRF72 0. In Wisconsin the winters are cold and snow bound. Add to cart. 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 distance needed is 54. My eye piece kit now consists of the Panoptic 41, Panoptic 24, Delos 10, and Delos 4. I added to it their field flattener which improves the images. While this Astro-Tech ATRF72 0. To improve the stability of the setup, though, I upgraded to the William Optics High Latitude Vixen Base. 25” eyepieces, but it’s probably the lightest most compact 60mm available. Works well. I think it's just right for a grab and go scope, and you don't give up as much to 80mm as you get going up from 60mm. Thanks so much for your help. If anything, I'd prefer to get a second camera to do dual imaging with it and the AT115EDT to maximize the number of objects I could image in a year. According to the testing done by Astronomics (We could not detect a hint of spurious color (chromatic aberration) Oh my its mighty temping. 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. Comes with the Astro-tech Camera Angle adjuster. Newbie AP Question - AT60ED to HEQ-5 Pro - Dovetail - posted in Beginning Deep Sky Imaging: Hello all. 25" diagonals. F/5, 300mm. 8x reducer on a ASI1600mmPro, mostly for narrowband imaging from my bortle 9 skies. ZWO EAF. I purchased one, but it is back ordered till February. CryptoThe AT152EDT is an extension of the incredibly well received EDT series from Astro-Tech. 6 o. As a result I cant do flats in Fire Capture. Like. Inside the cap is a wheel that can be rotated to either line up the Bahtinov. 9 specification likely results from a lens cell with a slightly larger entrance pupil). Choose an option ZWO-EAF. Even though I can achieve a 7. The Astro-Tech AT60ED is priced at $369US and comes standard with a 2″ to 1. 5 is 399mm. This new Astro-Tech AT115EDT refractor has: • 115mm f/7 fully multicoated triplet apochromatic optics using an ED center element. Same scope for around $200 less than the WO Z61. AT115EDT. Now on astronomics it say for the availability More on the way. Second scope recommendations - posted in Experienced Deep Sky Imaging: Hi Need ur guidance , i currently use AT60ed with 0. 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. 25" non-marring compression ring accessory holders. Page 1 of 3 - RedCat Rivals - What's the best small APO? - posted in Refractors : Greetings, all! Ive spent some time looking at small apos lately but want some user-experienced opinions on what you believe are top notch scopes. EAF Specifications Construction Material All metal, red anodised finish Motor Specification 35mm Stepper Motor Subdivision Steps 5760 steps Torque 1. With your camera, the AT60ED, and good polar alignment, you could get 40-60 seconds unguided before streaking (motion blur). Feel free to give us a call if you have a question about your scope if it isn’t an Astro-Tech product. The North America Nebula – 26×240 sec, Gain 11, Offset 100, QHY183c at -20C, UV/IR filter, Astro-Tech AT60ED at F/4. But I have a 2nd scope that is designed for astrophotography -- an Astrotech. This only works mounting the scope to the right, as shown. Comes with the original tube holder, in addition to a Losmandy vixen as shown (shows.