Field flattener for at80ed Mar 29, 2023 · Field flattener necessity with small sensors - posted in Beginning Deep Sky Imaging: I have Astrotech AT80ED and AT72ED II telescopes that Im using for imaging with an ASI533MC Pro camera. Id like to use my scope at its intended focal length for a few targets. Guy on CN recommended it, I like pix from it on AstroBin, and a YouTuber I like likes it. I have an AT80EDT That I would like to use a field flattener on, at its native focal length. Oct 30, 2023 · Since the AT80ED doesn't have a true threaded back, getting its reducer-flattener was the only way to properly attach my 533MCPro. With either one, you will need to get a flattener/reducer or just a flattener. Astro-Tech Dedicated 0. How To Use a Field Flattener. The upside is that unless/until you get a field rotator the generic flattener + visual back lets you rotate the camera to get best framing, since it slips into the visual back rather than threading onto the focuser. 8x reducer/field flattener is designed for astrophotography while using your Astro-Tech AT80ED refactor This Astro-Tech #AT80E View full details Original price $89. AT80EDT field flattener? - posted in Beginning Deep Sky Imaging: I recently purchased an iOptron CEM26 and AT80EDT. 8x focal reducer and field flattener is designed specifically for astrophotography with the Astro-Tech AT80EDL f/7 apo refractor. c-t2-thread. Although designed primarily for use with the new Astro-Tech AT60EDT triplet apo refractor, and priced at only $119. 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. He’s mentioned, and I’ve read, that I’d probably want to use a field flattener with the ED80 if I’m going to do imaging. 95 - Original price $89. For the last few years Ive been doing EAA with a NexStar 6se, and Ive been quite pleased with that, but I would now like to branch out into wide-field as a compliment to that Dec 2, 2022 · AT80EDT, ASI585MC and 0. However, I usually encounter issues when using this with my larger Astro-Tech AT130EDT APO. astronom-refractor. I suspect companies like ES and Orion sub-contract from Long Perng and put their company logo on the finished product. But would Most field flatteners also often widen the field of view and effectively "zoom" out the image a little bit to put it simply. This Astro-Tech #AT80EDRF 0. 8x reducer/field flattener for the Astro-Tech AT80ED. My my father is letting me borrow his ED80, so I can get some wider FOV shots than with my C8. Using a field flattener is a no-brainer: just screw it at the back of your telescope or insert it in the telescope using a nosepiece. The Astro-Tech AT80EDT. These are both great tools to keep around. 5 to f/7 or so. It can be adjusted for focal lengths from 500mm to 800mm. If you want a wider field/ faster f ratio than you can try a reducer. I don't use a field flattener when shooting small targets that will only be in the centre of the frame, because I like the slightly narrower field of view and because I'll be cropping the distorted bits out anyway. 6 lens for faster and wider field astronomical and Feb 16, 2024 · Page 1 of 2 - Non-Reducing Field Flattener Question - posted in Beginning Deep Sky Imaging: Hi everyone, when I got my Astro-Tech AT80ED telescope, I also bought the AT AT2FF non-reducing field flattener, which has worked well for me on the AT80ED. After lusting after the AT80ED since it came out, I finally pulled the trigger and purchased one Monday. I have modified the focuser on my TAL200K to a Hutech helicoidal focuser and the #7887 also flattens the field on this. 2mm diagonal sensor? Long Perng 2” 0. 8x reducer/field flattener for f/6 refractors is now available from stock. Both will work with an OSC and give you decent photographs. Mar 12, 2024 · Astrotech AT80EDT FIELD FLATTENER QUESTION - posted in Refractors : Just wondering if anybody knows the answer to this. 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. 95 The fully-multicoated Astro-Tech AT80EDTFF field flattener leaves 480mm focal length f/6 Astro-Tech AT80EDT refractor in its native state, but flattens the field up to a full frame format camera. I have reached out to Astronomics with the image circle and spacer questions. This provides images that are sharply focused out to the corners of DSLR, CMOS, and CCD imaging chips. 6 system. (model year 2018 and newer) The dedicated fully-multicoated Astro-Tech AT80EDRF converts the 560mm focal length f/7 Astro-Tech AT80ED refractor into a 448mm f/5. 8X reducer/field flattener is designed for prime focus astrophotography with your AT80ED refractor. Feb 11, 2021 · (I know the challenge that comes along with it) However, will I be able to use this scope (get it into focus) with a canon t2i DSLR and no field flattener/ reducer. Mar 6, 2019 · Flattener for AT80EDT? - posted in Refractors : After having an 8 inch SCT for a long time I just received my first refractor. I will be using an ASIAir Plus and ZWO 30F3 mini guide scope for guiding. 6x Field Flattener / Reducer for f/5 - f/7 Refractor Telescopes (with M42 T/T2 Thread) https://agenaastro. I purchased one, but it is back ordered till February. My inclination is to buy the less expensive. For the Astro-Tech Reducer/Flattener the spacing is 55mm with image circle of 42mm. So until then I am stuck using scope uncorrected. 8X REDUCER/FIELD FLATTENER FOR THE ASTRO-TECH AT80ED Oct 8, 2022 · I bought a Astro-Tech AT80ED 3. I get a perfectly flat field with a 100ED and my Canon 5DH which is a full frame camera. plus a. 8X focal reducer/field flattener is designed specifically for prime focus astrophotography with the Astro-Tech AT80EDL apo refractor. They both have similar specs. astronomrefractors. What else do I need to use it with my Sky-Watcher EQ6-R Pro and a modded DSLR, Canon 90D? Nov 10, 2007 · The best focal reducer field flattener in my opinion is the Hutech #7887. 8x reducer/field flattener is designed for astrophotography with f/6 focal ratio refractors, but will also work well with refractors in the f/5. This 0. I will be using this scope mainly for imaging with a full frame DSLR. The backfocus of the unit is 55 mm. Can someone help me figure out how to attach it to the scope? It says on the website 'Screws directly to the M56 thread on the Sky-Watcher 80ED telescope's focuser drawtube. As for OSC's i would suggest pairing it with a imx571 or imx533 sensor based camera. Aug 11, 2020 · For the Astro-Tech Field Flattener the optimal spacing from field flattener to film plane: 57mm +/- 4mm and Canon is supposed to be 55. I found a SVBONY one on eBay that is threaded, but I would like your opinion as to whether you think it would Astro-Tech ATREDT8 : This economical Astro-Tech 2" 0. I ordered a Astro Nov 26, 2021 · Another downside of the generic reducer/flattener is that you don't have an all-threaded connection between scope and camera. Feb 19, 2019 · Field flattener for ED80 - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: Hello friends, and thanks in advance. teleskophotography. 1" f/7 ED Refractor OTA. May 29, 2022 · First light help. I have several choices as: https://www. From astronomics. . That’s it. Two days later the scope was delivered via FEDEX to the Apr 20, 2017 · I use a flattener, not a reducer, on my APO to preserve the fl. The aforementioned field flattener slips into the This Astro-Tech 2" 0. Explore Scientific’s 2” field Jan 13, 2019 · Astro-tech field flattener choice - posted in Beginning Deep Sky Imaging: Hello all, I wanted to buy a field flattener for my AT111EDT and my AT72 (doublet FPL53). 8x Reducer/Flattener: The dedicated fully-multicoated Astro-Tech AT80EDRF converts the 560mm focal length f/7 Astro-Tech AT80ED refractor into a 448mm f/5. I personally went with the SVBony because of the built-in rotator. 6x Focal Reducer? - posted in Beginning Deep Sky Imaging: I have an AT80EDT and an ASI585MC. html https://www. 5mm and extension tubes will not be required. Generic flatteners generally give poor performance. All this stuff is expensive, so I thought Id ask before purchasing something. 85 x focal reducer/flattener arrived yesterday, yay! It's optimised for my scope (Skywatcher Evostar 80ED pro). Astronomics sells a dedicated 0. 8x FR/FF for this scope, but I couldn’t find any reviews for it, has anyone tried this? What are you using? My camera is the 183MM Pro. Since a DSLR with t-ring has a 55 mm backfocus, plug the reducer/flattener into the focuser and then thread on the camera/t-ring to the flattener as shown below. 13. Astro-Tech does sell a dedicated reducer/flattener for this scope, the ATREDT8. Jun 20, 2020 · Hi, my 0. . Jun 3, 2023 · AT80ED - Which Flattener/Reducer? - posted in Refractors : Wondering what folks using the AT80ED for astrophotography are using. I would prefer a threaded version like the one that Astronomics sells. 5 to f/7 range . While it may also th Aug 21, 2023 · AT72EDII and AT80EDT and their respective reducer/flattener - posted in Refractors : Soliciting thoughts and advice around a potential very near future purchase of one of these two scopes for venturing into wide-field AP. Wanting something that I could use for quick views in the 80mm range, and for when my back is giving me issues (more and more these days). ASTRO-TECH DEDICATED 0. At native f/7 a reducing flattener is almost mandatory. The reducer-flattener slips into the scope and it in turn, has the standard threaded back which easily connects with the 533MCPro and its spacers. Oct 18, 2012 · The new Astro-Tech ATR8 2" 0. (on Nov 14, 2020 · ZWO ASI183MC on Sky-Watcher Evoguide50ED with the Sky-Watcher Evoguide 50ED Field Flattener. html Would this work? If so, could I fine turn back focus on a cloudy night? Setup an artificial star (pinhole and Nov 6, 2020 · New AT80ED - posted in Refractors : I decided that it was time to upgrade from my Meade ST80. But in any event, a flattener needs to be matched to the radius of curvature of the objective. html And I dont know what to choose. I would like to get the reducer and field flat later because the stars will be elongated, but I just want to know if I could just use a t-ring with this scope. I have the Orion version and it works well on edge correction with my 110mm F/6 refractor. 8x reducer/field flattener is designed for use with the AT80EDT refractor Skip to content Trusted advice since 1979 Excellent 4. You need to find one specifically matched to your OTA. But there are a few technical things to sort out when using a field flattener: Apr 5, 2023 · The Explore Scientific 2" field flattener looks very similar to the Long Perng 2" field flattener. Apr 13, 2021 · I use both of these (albeit the older model AT field flattener) for both my AT80ED and AT6RC. With a sensor this small, covering a fraction of the image circle created by these telescopes, is a field flattener really necessary? Sampling would be better at the slightly longer focal lengths, especially Jun 13, 2024 · Field flattener for AT80EDT that isn't also a reducer? - posted in Beginning Deep Sky Imaging: Can anybody recommend a good one that they have tried with this scope? I do have the one made specifically for this scope, but its also a reducer. 5 rating on Google Reviews Free Shipping On Orders Over $100 Sep 16, 2022 · Both the AT80ED and the SVBony are good little scopes. I will be imaging with a Canon T7(2000D) for the first few months until I get the hang of it enough to move to a dedicated astro cam, which will likely be a ZWO as well. ' h Sep 13, 2021 · There are four new models of the Astro-Tech focal reducers and field flatteners designed to fit specific Astro-Tech refractor telescopes which include: – AT80ED . But it is not in stock and it could be 60-90 days Mar 12, 2024 · Standard 2" filters can be added to the reducer/flattener when imaging. So, I need to get a field flattener for it. rtmrc apojpdlr otse gne finsg ggdg opxkkip foq rqr kdipak pyeo aciq olqjry jkerqmz wmjl