Page 23 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : Ok, need your guys help as I am not home and will not be for another two weeks. Posted 18 November 2020 - 01:19 PM. Initially I was. → Astrophotography and Sketching. 0. • a rotating dual-speed 2. Long slots allow it to be. This Astro-Tech AT70ED refractor has: • Single ring with a foot that has a 1/4" 20 thread hole for easy attachment to a dovetail. Hughes Thompson. I use the SCT (f/10) for visual mostly although I have a . 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. Social. Telescope configurations: AT60ED, AT60ED + 2x Barlow, NexStar 6SE, NexStar 6SE + 0. The focuser can rotate as well to help you get the perfect framing. The image here was done using APP. Perhaps I will just wait another week or two and. All 4 scopes mentioned are the same. I was looking for a light scope almost got the AT72 ED. In Wisconsin the winters are cold and snow bound. The AT60ED has a supplied ring/clamshell with the. Most eyepieces dont play. qswat72, on 11 Dec 2020 - 10:19 PM, said: Yes, there is a little knob on the top to lock focus down. Then one could be used to guide the other and Id basically have 2 different focal lengths. I did want the same thing as you. But it's a personal choice. The other night I tried my Sony Alpha 230 DSLR with a 1" APS-C sensor in the AT60ED at F/6 and the result was a huge field of view but with what appears to be severe coma along the edges of the frame. It functions as a handle (This is fairly obvious from the name. Reviews. 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. The AT70ED is bringing ED optics to you at a fantastic price. 8 with its reducer. This new Astro-Tech AT115EDT refractor has: • 115mm f/7 fully multicoated triplet apochromatic optics using an ED center element. It can't be used visually. 8. While this Astro-Tech ATRF72 0. I would like to find something that is a good overall value though. I signed up at Explore Scientific just a couple of. Skywatcher Star Adventurer GTI Dec backlash - posted in Mounts: Ive had a Skywatcher Star Adventurer GTI for trh last three months. Reviews. 9×180 sec, QHY183C at Gain 20, Offset 0, -15C cooling, UHC filter, Astro-Tech AT60 ED at F/4. The AT60ED is a good portable scope that will work on a lightweight mount. The image here was done using APP. 25" RA prism--an RA mirror is much further in, and an RACI prism also is also somewhat further in, so neither have demonstrated issues with my. . For taking in as much as possible of Barnard's Loop all at once, this is the one for me. The flattener produces wonderful flat fields as well as a 41mm image circle. My 41lb CGEM mount is a beast carrying it in and out of the house!I would be using the Pi with the AT60ED on a Skyguider Pro tracker with an ASI120MM guide cam with it's matching 120mm scope. You’ll want your overall output resolution around 1” per. 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 reversed foot allows the focusing knobs to be oriented horizontally. AT115EDT. But the AT60 really isn't intended for planetary visual use. I am into Night Vision Astronomy and the AT60ED coupled with a PVS14 and TV 55/67 Plossl rendering 6. . Lukomatico just gave the Gear 60 a great review on YouTube. 5mm Morpheus gives a larger TFOV, the 18. Reviews. No more having to adjust your optical tube. Posted 07 January 2021 - 09:17 AM. Ive only used it with the flattener, but have had no issues getting round stars on an APS-c sized sensor with the flattener. N. Posted 16 January 2022 - 02:12 PM. I bought the 0. 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. It appears that stars even close to the center of the frame are somewhat distorted. ? Basically, as my first proper scope, is it worth to spend that $100? I also. Like. Reviewed in the United States on September 13, 2020. 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. I. 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. Comes with the Astro-tech Camera Angle adjuster. Went mostly smoothly. According to the testing. But they have another 72ED for $399, do not know the difference. 25" long with it extended. 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. In a color camera setup, the tilt plate is attached to the camera directly. Add To Cart. This only works mounting the scope to the right, as shown. Ill deal. 5mm Morpheus vs. What I would like to know is. The Redcat will provide a better image. We could not detect a hint of spurious color (chromatic aberration) in our evenings testing the AT60ED. In this video I will share with you how to install and configure. The diagonal was an Olivon 2" Amici Prism. Is it over sampling if it is under 1 or over 2? For Example: Arc Seconds per pixel w/ASI294MC Optimum Result between 1 and 2 AT80ED @ 560mm is 1. Astro-Tech AT60ED William Optics RedCat 51 APO Askar FMA135 Celestron C5 Spotting Scope My Mac Setup Blog Image Gallery December 4, 2019. Iris Nebula with AT60ED - posted in Beginning Deep Sky Imaging: This is my third attempt at editing this tricky thing, and I think Im finally ok with it. Posted 16 January 2021 - 11:32 AM. Nice 360mm F/6 doublet with FPL-53 synthetic fluorite and Lanthanum lenses. Last night was the first night I got a chance to use the combo, and was planning to image the Witch Head nebula. A few people suggested the Astro Tech AT60ED and that looks affordable. - posted in Electronically Assisted Astronomy (No Post-Processing): Looking for last minute opinions. Posts: 7,405. 5). Page 24 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : Its a wide field monster. * ZWO ASI533MC Pro. I also a Celestron 6se. It is only good for point source (i. If I had a dedicated astro cam, the OAG would be the. 56 AT60ED @. AFAIK, none of the FF's cited in this thread work well for visual with the AT60ED. In a mono ZWO setup as shown in the image, the tilt plate is in front of the OAG. This will replace my AT60ED for ultra-wide field observing. There is a very good reason that most reducers operate in the 0. Thoughts? Clear Skies, PhilUp and Down Guiding - posted in Beginning Deep Sky Imaging: Hi everyone, I need help. 470 60-second lights, 30 darks, 30 flats with an AT60ED refractor and modified canon t3i. The mount is a SmartEQ Pro. Both have FPL-53 glass. Now you can do planetary and deep space imaging with it as well, so don't be fooled by the main objective when ZWO designed the camera. ·. I added to it their field flattener which improves the images. Dual speed 2" rack-and-pinion focuser with 2" accessory holder and 1. 1-800-422-7876 questions@astronomics. I have used the original packing foam and box, but that isnt a great fit for. As a 60mm scope these are great for several reasons: Visually apochromatic to my eye, even at 120 to 144x on bright white targets. As mentioned above the 3-6mm Tele vue would be a good candidate. Get counterweights, mounts and telescopes at Astronomics. Posts: 711. 25" mirrors seem to become acceptable near the $70 mark, so the difference is roughly $30 with a substantial reduction in risk. 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. It has dual. 44 TFOV. 5" rack-and-pinion focuser with 10:1 ratio fine focusing. I was. The ZWO ASI678MC is a fantastic entry level ZWO camera you want for planetary imaging. JPG IMG_2394. Out of the box, the FMA135 comes with a mounting ring which holds the scope and has a finder shoe base. Regarding 0. OTOH the AT60ED has good glass, a EAF-capable focuser and is much cheaper and can reach f/4. 0. I would get an Erect Image Diagonal for correct terrestrial viewing. " The 2" barrel of the fully multicoated dual-element Astro-Tech field flattener inserts directly into your scope's 2" focuser drawtube. I havent been able to get a response from anyone at Astronomics after I ran their suggested test of rotating the camera, so I thought Id run these by anyone here. I want to make sure that I dont stress to motor, so that the. The AT60ED with a 2 inch diagonal and an eyepiece such as the AT UWA 28mm is a finder. The Astro-Tech ATRF60 0. 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. The AT60ED will take high powers very well - I've used my WO Z61 (which is the same scope) with a Nagler Zoom 3-6mm and it takes magnifications up to 120x just fine. According to the testing done by Astronomics (We could not detect a hint of spurious color (chromatic aberration) Oh my its mighty temping. It looks better from the outside, but when youre observing or doing astrophotography in the dark, you. It's designed as a portable mount, and that payload capacity is quite. I started out by taking some shots of the waxing crescent moon, slewing it from the center to each. The AT60ED will be used with ASI071MC-P and it has its own 30mm guidescope with an ASI290mm on it, the C9. It seems like it’s similar, and yet quite a different design than their. the 18. Page 1 of 2 - AT60ED - pinched optics? - posted in Beginning Deep Sky Imaging: Im getting very strange looking stars in my images and Im pretty convinced its pinched optics relating to temperature. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like). This instrument is designed as an astrograph. I was hoping my Orion 0. 63x reducer Exposures range from 1/100s to 1/4000s at ISO-100 to ISO-800 Thousand Oaks Optical solar sheet in homemade filter hat for both telescopes No processing done on the images aside from cropping and fitting into the grid Thanks for looking!49 votes, 12 comments. The OTAs will be operating entirely independently of each other. What I dont have is an optical finder with interchangeable eyepieces that I can use on my refractors - specifically. 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. As a result I cant do flats in Fire Capture. You get a single ring with a. . Typical of Astronomics it's priced $200 less than the StarField. 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. Kind of a MkII. But the William Optics costs $169 more. 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. 25 inch diagonal an 32mm plossl will still show a 4. Since the AT60ED is a doublet, while well corrected, I've experienced star bloating when imaging with it. While I wait for astronomics to deliver my scope, I. I have narrowed it down to an AT60ED with a StellaMira 0. When I was imaging in Florida, in much more mild. Equipment. Im guessing the 8-inch OTA and refractor together should. Reducer/flattener is somewhat pricier than just flattener. (Note: the guiding with the 6SE. 5mm Morpheus gives a larger TFOV, the 18. If I had a bit more money to spend I'd probably go for the 7mm and a Barlow to give me a 3. 8X reducer/field flattener is designed for prime focus astrophotography with the Astro-Tech AT60ED, it will work with other variants of the same optical tube. Add to cart. I have looked at, researched, considered astrophoto-worthy computerised EQ mounts. com for the Astro-Tech AT60ED this morning. It's heavier duty and much more precise in its adjustments. Such a device is so oversized compared to the host telescope as to be absurd. 38 degrees. Which is well within the 11lbs weight capacity of the mount. 1 William Optics. 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). The handle will help making set up much easier as you have a solid part to grab onto and not just the tube. Camera: ZWO 224 MC Telescope: Orion 180mm Mak Optical Accessories: GSO 2. 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. Each frame taken with the camera is around 132 MB in size. Business, Economics, and Finance. With a 24mm. 3. 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. The CNC machined handle is finished in a. I signed up at Explore Scientific just a couple of weeks ago. I haven't tried it in a while but seems like I have to use a small extension tube with my Sony a6000 to get it to reach focus. topic starter. It is designed as a true telescope. Add To Cart. The AT60CAA will make your life much easier when using your AT60ED photographically. AT60ED as a travel scope - posted in Refractors : In the flesh, the TV60 is a very tiny and very impressive scope. Very light, compact with extremely sharp views. Focal Ratio: f/6. 76um so you’ll want to pair it correctly with your different scopes by using the astronomy. Add To Cart. Effect of barlows / field flatness for AT60ED solar imaging - posted in Solar Observing and Imaging: Ideally, Id like to image the 2024 total solar eclipse using my NP101. 25″ eyepiece adapter that has a non-marring compression ring. Adding. Focal Length: 360mm. Focal Length: 360mm. Resolution is still good at 1. 96. I used to have a small AT60ED rig on an ARCA mount, and the stiction while balancing may cause you (as it did to me) to loosen it a bit too much, and you may have your scope fall out (as mine did, to the ground). SKU: N/A Category: Discontinued Product Tag: ZWO EFWmini the smallest EFW. 25 or 2 inch mirror diagonal for AT60ED? - posted in Refractors : This maybe going past my knowledge. I recognize that I will drop maximum true field of view from 7. My scope including all the pictured accessories weighs 7. I might have bought the new FRA 300 if a reducer were available for it, to get shorter than 300mm FL. While I wait for astronomics to deliver my scope, I would like to understand if I really need to also purchase a 0. Mine has a Strehl of 0. 00. Astro-Tech Finderscope Mounting Shoe Thousand Oaks 4. My father was at the office for 6 hours yesterday getting all the manuals finished up. FILTER SELECTION. I have it down to two scopes. 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. The 18. Doing a simulation on astronomytools. 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. And don't let the lack of case for the AT dissuade you, it will easily fit into an 4800 Apache case available from Harbor Freight. 4 o to 6. The supplied photo instructions are good, but there was still some dry-fitting to make sure I was getting the bracket in the right orientation and attached through the right holes. 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. 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. Or they'll want to upgrade the inexpensive mount that came with their prepackaged. I own one and I also own the Skywatcher AZ-GTI wedge. The 18. 95. The Astro-Tech AT60ED is priced at $369US and comes standard with a 2″ to 1. 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. Last night I was finally able to test it and I see some really bad aberrations. Have not fired it up yet, still trying to figure out where to mount. It’s $949. The objective has just a few specks of dust which can probably be removed with a simple air-bulb. 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. Its beginning to come into focus with the focuser ALL the way in. And when it does come back in stock, I've always missed reordering it. 8x Reducer/Flattener that goes with it, too. Perhaps I will just wait another week or two and. I know the reviews for both of these are real good, and the opinions are usually that these are a good bang for the buck. Astrophotography and Sketching. The Astro-Tech AT60ED, with iOptron Cube Pro Alt-Az GoTo mount, Explore Scientific 2" diagonal, and the TeleVue Panoptic 41mm eye piece. 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. 134K subscribers in the telescopes community. Thank you. The Askar FMA135 is multipurpose. I even use it with binoviewers. 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, . • a rotatable focuser. But just three months later, Ive noticed the Dec is sticking. 5" Table top from ~$200, 6" large dobsonian from ~$350). The 130EQ has a weak mount and flawed spherical optics. Scopes: ES ED-102 FCD100 CF, ZWO Mini Guide Scope, Astro-Tech AT60ED, Askar FMA180, Sky-Watcher Skymax 102. 2. Smaller size and good optics are priority over budget. At that time I started a thread titled Anyone with an AT60ED to ask a few questions about my new scope, and. Price. This product is discontinued, for the new 5V EAF please click here. Posted 13 February 2021 - 04:40 PM. Cameras: ZWO ASI120MM Mini, ASI224MC, ZWO290MM Mini, ZWO ASI294MC Pro, Canon M6 Mark II. AFAIK, none of the FF's cited in this thread work well for visual with the AT60ED. To compensate, I have been using the TV 3-6mm Zoom eyepiece. 8x field flattener (no stock currently) + William Optics 48mm T-mount for Sony E-mount OR 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. 25” non-marring compression ring accessory holders• Vixen dovetail plate. 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. 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. An Astrozap focusing cap is a lightweight aluminum cap that fits over the front cell of your telescope. As I am still waiting for the camera to arrive, I would like to know what settings to use with it, Gain,. 2mm DeLite is that while the 17. Installation Here are the basic steps about how. 1. 25" non-marring compression ring accessory holders. Report. Loading preview. 6 o. 25 limitation as to the focuser. The telescope-side barrel is threaded for standard 2″ filters so you can attach a light pollution filter. Contact Us. 00. 8x reducer on the AT60ED and it only comes out having a slightly greater focal length than the Sharpstar. So until then I am stuck using scope uncorrected. Theres two mounting screws on each side of the scope. 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. Still seems like too big a cost differential, though. My requirements are: Weight < 3kg (OTA+other mounting rings+field flatner (if required)) Focal length < 400mm (I don't have a goto mount, I have to frame manually) Budget ~ USD 1200 (including Import duty and local taxes which is almost 28%)I've been doing astrophotography for about a year now. Posts: 711. Works well. I can verify that the TSFLAT2 from Teleskop-Express does NOT work well for visual . Any suggestions also on reading material and downloads gratefully received too - I know I'll have lots of questions. Ive got everything fitted with a motor. but in general field flatteners are usually used for imaging and not for visual. Also looking at Televue TV60, nice but too expensive for me. 4) or a 2. 8 reducer and/or my Hotech field flattener would work for it. The AT60ED is excellent for sure. 8" sensor has an array of 3840 x 2160 pixels that are 2um square. It's a little gem. It’s tall enough to use comfortably, can detach for packing and keep alignment when reattached, and is simple to use with the concentric circles. 8x reducer that I already had for my AT72ED (version 1) and noticed that the corners of my images were much worse. With your camera, the AT60ED, and good polar alignment, you could get 40-60 seconds unguided before streaking (motion blur). The ZWO spacers fit perfectly, Page 19 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : I am working through 7 pallets worth of goods, checking them out, and getting instruction manuals made up from scratch. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. Anyone an idea at what time frame this is? Im going on a holiday in the middle of july and i would like the have the telescope before that time so i can take it with meAT60ED with AT60FF flattener - nowhere close to being flat - posted in Refractors : I purchased an AT60ED from a fellow CN member a month or so ago in like new condition. Actually I am using a Newton with 750mm focal lenght and be new to refractors. 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. Page 9 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : Ready for the evening! Already took a quick look at the moon as the sun started setting. 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. Cameras: ZWO ASI120MM Mini, ASI224MC, ZWO290MM Mini, ZWO ASI294MC Pro, Canon M6 Mark II. com. 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. 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. g. The ASI678MC CMOS Color Imaging Camera is based on the Sony IMX678 with SONY STARVIS and Exmor R Technology. One other thing I've heard--and can confirm--is that the mounting collar for the AT60ED is almost a perfect fit for the 135mm Samyang. I did how to videos for both applications to show the differences in workflow and end result (end result is. 00 Not FPL-53. 4KidsOneCamera • 3 yr. I use a Rigel QuickFinder on my AT60ED. Also looking at Televue TV60, nice but too expensive for me. I also like to use barlows to snap pics of the moon and you definitely need extensions. Page 2 of 37 - AT60ED: Something Small From Our Sponsors - posted in Refractors : I stay corrected, yes, WO offers the case as an optional - not included - accessory. The Astrotech AT60ED and William Optics Z61 seem to be ~60mm doublet refractors, both with FPL-53 glass (so colour correction should be identical). 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. We feel this is truly a lifetime instrument. And I have tried my hand at digiscoping using a Celestron 100mm Regal Spotting scope which has a focal length of 540mm. 8x. For example, the fully-multicoated. Sturdy, capable but manual. Another thumbs up for the AT60ED with the . It’s really more intended for a visual scope, whereas the AT72ED is intended for photography. The RedCat has better glass, but I prefer the Askar's focuser and additional aperture. WO Zenithstar 61 APO $478. The AT152EDT comes with a 3. Star test results using an artificial star at a distance. Whaaaaat? Any chance you have time to take a photo of that report for us? Id love to see the other details like wavefront uniformity and a fringe. 4KidsOneCamera • 3 yr. The AT60ED with the reducer/corrector and a ZWO IR block filter works great for imaging at F/4. Same scope for around $200 less than the WO Z61. IC405 - The Flaming Star nebula taken with the AT60ED. Even though I can achieve a 7. This can be bolted to a vixen or losmandy dovetail for use as a stand alone telescope, or it can be mounted in a guide shoe and used as a very high quality guide scope. 5 (which arrives Friday). Amazon had a great discount so i said why not? What i received was a disgrace. C9. Got a new “Travel” refractor finally: AT60ED - posted in Refractors : After selling my Sv503 80ed I was feeling very weird just having a C8 and no refractor for months! I was torn deciding between AT70EDII, AT60ED and some other portable air travel friendly options. AT60ED vs. The helical focuser of the FMA230 is precise but quite stiff. I managed to get 2 good images for a short imaging session on Oct 14, 2022 (Oct 15, UT. In addition to reducing the focal length of the telescope and thereby increasing the photographic speed, the ATRF60 flattens the normal field curvature. Page 2 of 2 - 1. See spectacular views of the sun with a solar filter. It works beautifully with this and other short FL scopes. Refractors. EAF Specifications Construction Material All metal, red anodised finish Motor Specification 35mm Stepper Motor Subdivision Steps 5760 steps Torque 1. But the William Optics costs $169 more. It worked well for all the other achros and ED's in my sig - that can handle a 2" accessory- but not the AT60ED. 8x reducer on a ASI1600mmPro, mostly for narrowband imaging from my bortle 9 skies. Some thoughts that I have on the two units are listed below. Hi everyone, I'm looking for a refractor astrograph and I need some suggestions. doc 6 3. Obviously they are small. I also purchased the dedicated AT60FF flattener. If you don't want the reducer, the William Optics adjustable one for the Z61 will work just fine for the AT60ED, plus it comes with the camera angle adjuster. 00. This Astro-Tech ED refractor has:• 72mm f/6 fully multicoated FPL-53 and Lanthanum doublet refractor optics• dual-speed Rack and Pinion 2” focuser with 10:1 ratio fine focusing and built in Camera Angle. This Astro-Tech 3. First (Nighttime) Light on my new AT60ED + 0. tools CCD suitability calculator. Astro-Tech AT60ED 60mm f/6 FPL-53ED and Lanthanum Doublet.