Didn't want to go higher on exposure as this is an alt/az mount. If you plan on imaging, you might want to consider trading up to to AT72EDII or similar to get better color correction. 8X REDUCER. Page 1 of 3 - My brand new AT72ED-II - posted in Refractors : I got notice my shipment was delivered, so I ran home quick to bring it inside. 5lb. I think that if the Evo 72ED had FPL-53 like the AT60ED and AT72EDII, SW would likely mention it. $29. Not a huge difference. 1. -- The Telescope Review Web Site V3. Please just get a AT72EDII or Apertura 72EDR. Add To Cart. Do people typically use finderscopes with refractors this small? Id like a RA scope for ease of use, but they all seem to be as big as the AT72EDii, itself. IMO, the felt dust on the objective, from the three pads, isn't a big deal. Astro-Tech AT72EDII Refractor OTA FPL-53 f/6 $469. AstroTech AT72EDII and accessories. jpgPage 4 of 4 - AT72EDII - Yes, planets are small, but spectacular - posted in Refractors : The first thing I did with my new AT72EDII was to remove the dovetail and put it back on the other way, with the longer side toward the focuser, in order to better balance with a 2 diagonal and 2 eyepiece! I now have the scope mounted at the extreme end of. AT72EDII for wider view for imaging - posted in Refractors : So, Ive been planning to get back to the sub 500mm focal range, but instead of using my 6 Newtonian, I wanted something I can manage easier. After discovering that the AT72EDII seems to have the same M63 focuser drawtube thread as the Z73 I was thinking hard about going with a WO Flat73a instead (wider field, possibly better performance but hard to be sure) but in the end decided to stay with a 2" barrel flattener/reducer instead. Condition is New. Anyways so recently with my dec i noticed it seems to run off after a coupe of minutes either in the north or south direction. Slideshow. Astro-Tech D Style Handle Kit For Refractors. 36 light, 5 dark frames, pre-processed in Lightroom, stacked in Sequator and final minor edits in Photoshop. It works at f/5. Usually, that box has a crooked shape, which is showing the tilt. A second dovetail bar can be used as a spacer. This product is discontinued, for the new 5V EAF please click here. The telescopes I listed above are literally better than the Evostar in every single regard. But this review. Re: A 120mm apo vs C8 edge HD. Astro-Tech AT72EDII AstroBin's equipment database is entirely maintained by the community. I have the original double box packaging. It required replacing the stock dovetail with the slotted AstroTech and moving the rings closer together. M42 connection to the camera should make life easier. In addition to the upgraded glass, the AT72EDII has an upgraded focuser, with a fine focus and a diagonal rotator (the same focuser as their EDT line), and unlike the AT72ED, the AT72EDII comes with split tube rings. The mechanical aspects of the SW scopes are behind the AT scopes. Telescope is Astro-Tech AT72EDii with AT2FF field flattener, camera is Olympus OMD E-M1mkii with exposure of 30secs @ iso 800. Field flattener for AT72EDII - posted in Refractors : I picked up an AT72EDII last year but never really used it much until this year. Two more options: #1 - rotate the scope 180 degrees so the focuser knobs are at the top rather than the bottom (looks ugly but works fine) #2 - pick up a set of riser blocks or equivalent spacers (even chunks of hardwood) - my AT72EDII sits on a set of Stellarvue riser blocks on a Losmandy dovetail. Use the Sky-Watcher Evostar ED APO 72mm f/5. Looking for a multitasking scope that’s as good for viewing as for imaging? The Sky-Watcher Evostar 72ED DS-Pro refractor telescope is a good bet. 3'' guiding which is decent enough for me as i was able to get a single 10min exposure. 00. This cut the curvature distortion by. It has now been succeeded by the AT72EDII, with the major optical difference being use of an FPL-53 element in place of the FPL-51 one in the original. The silver color 8-2/3" length bar (More Blue) is bolted to the "safety screw" holes at the ends of the black 6" bar. . 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 Adjuster (Same mechanism as our EDT series)• 2” and 1. This thread seems to be common among some 2. 00. It's not ideal in that the base can only use one of the screws on the AT72EDII's focuser, but it does the job so far. The scope is in excellent shape and looks new. The combination produces significant field curvature, so Ive added a Hotech SCA field flattener. Questions that I have. I ordered 2 more and they arrived on 3/18/19 and I just added one to. Celestron Nexstar 5SE, Celestron Powerseeker 80EQ, Celestron Advanced VX, Astro-Tech AT72EDII My Astro Blog: JustStarGazing. 2) find the "analysis" menu and select the "analyze tilt" option. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like) CH (high Fe. 5348 Topanga Canyon Blvd. First light with AT72EDII - posted in Refractors : My AT72EDII arrived Thursday. The AstroTech 72mm f/6 in white is an ED doublet refractor telescope. I use a Nikon D5100 with an ASIAir (not a mini, though) and the Nikon specific USB cable. Today I have received AstroTech AT72EDII scope after waiting for 4 long months. Our first star test on the AT72EDII prototype was simply textbook. The best spacing may vary a lot. -iOptron CEM40. by John Baars » Sun Jan 31, 2021 9:27 am. CEM120 - TMB 100/800 - AT72EDII w/Homemade Moonlite Compatible Arduino Focuser - AT8RC w/Moonlite CSL 2. The triplet objective and top-notch ED optics virtually eliminate chromatic. Two nights and 11 hours of exposure almost went to waste. I'm sure the glass is better but I haven't compared the two directly. Astro-Tech AT60ED 60mm f/6 FPL-53 ED Doublet $369. My setup was the scope, a Stellarvue M1V, diagonal, and two ES82 eyepieces (18mm and 6. M45 - Nov 6 - 8, 2023 - posted in Beginning Deep Sky Imaging: Eleven hours and 20 min. Compared to its old version, the main change of 5V EAF is the elimination of the 12V power supply port. Astronomy said the AT66ED was “a great grab-and-go scope, a fine little astrograph, a super-finder scope, and a daytime spotting scope. Lately, the typical time through Customs and shipping to us has totaled 10 days to two weeks. The AT72EDii is back heavy and made it difficult to balance with the stock 6" rail. Astro-Tech AT72EDII vs Celestron NexStar 5SE. The SV70 was a slight overload. This bracket is designed to work with C8, C9, C11 and C14 the Celestron SCT scopes. 8x reducer/field flattener for f/6 refractors. Hi, Up for sale is my like new AT72EDII with the FPL-53 glass! This scope is a worthy and super portable successor to the original AT72. All. What could be this thing? - posted in Refractors : I got a few hours of clear nights before the big storm arrives. Waited for about a week for the clouds to clear and gave it a shot. 75” across the bottom. The AT72EDII is quite a bit smaller and lighter than the AT80, 12" and 4. 2023 Scottsdale Auction Highlights. 3) this will display a screen shot of your frame with the tilt shown as a box overlaid on your image. The focuser is butter smooth and easily held my ASI1600mm-C camera. 36 light, 5 dark frames, pre-processed in Lightroom, stacked in Sequator and final minor edits in Photoshop. My previous wide field scope did not get much use because of the lack of clear skies and I was just not happy with the performance. Page 11 of 20 - The AT72EDII is out! - posted in Refractors : @ John My experience with flatteners is that the shorter the scope FL, the longer the spacing between flattener and camera. 4) work methodically to adjust the screws on your camera's tilt plate, and repeat the above procedure. I have seen the AT72EDii as an option and have heard. 2. 1. Astro-Tech Handle For AT72EDII, AT80ED, AT80EDT, and AT92. 8 for the 62ed. Field flatteners for AT72EDII and AT115EDT? - posted in Refractors : I have these two scopes and I have the dedicated 0. I am trying to stay under the 80mm aperture mark due to potential mount and obvious budget considerations (planning to stay under $1,000 including the. Higher full well capacity. Posted 13 February 2021 - 04:40 PM. Converted to jpeg and reduced in size- no other post processing. 95. Page 1 of 2 - Fluid Video Head for a Small Telescope - posted in Mounts: I am trying out a fluid video head as part of a grab-and-go set-up for my Astro-Tech AT72EDII scope. For several months, I have been the owner of my first ever telescope - the Sky-Watcher Evostar 72ED. The AT72EDII, on the other hand, has been around for a while and is the improved version (with FPL-53 glass) of the original AT72ED. Top. Thanks. It can be pointed accurately, but wanders off relatively quickly. The NE quadrant shows AR13490 which is composed of seven spots. We don't expect the scopes until October. The telescope end fits into a 2-inch adapter just like an eyepiece. This would seem to be a requirement for EAA if you want to save your results and share with others without doing any post-processing. 36 light, 5 dark frames, pre-processed in Lightroom, stacked in Sequator and final minor edits in Photoshop. Perhaps an AT72EDII or the equivalent Skywatcher. Hello, I am trying to install an auto-focuser on my AT72edii, and I can't seem to remove the screws that hold the coarse focus knob. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like). For example, the fully-multicoated. 4. 00 with the dedicated FF/FR, while the RC71 is $1,698. The resolution is lower than the 183MC, but it's a bit misleading: the 183MC has 3672 pixels in height, the 533MC has 3000. Page 1 of 2 - AT72EDII threads etc. I don't regret the 72ed. This is a good quality fully-multicoated low power eyepiece at a price that's substantially lower than competitive Plössls. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like) CH (high Fe. Page 1 of 2 - Suggested new accessory for AT72EDII (and other AT models) - posted in Refractors : Brief summary: I am suggesting that Astronomics make available for purchase a *second* Vixen dovetail bar for attachment to the TOPS of the AT72EDIIs rings and identical to the one supplied with the scope as a bottom bar. Im well aware that a 6 mirror scope catches light fast and there is a bigger clarity and it does have its advantages, but also some cons. 8X reducer/field flattener is designed for prime focus astrophotography with quality f/6 focal ratio apo refractors such as the Astro-Tech AT72EDII and AT130EDT, it will also work well with Astro-Tech and other brand refractors in the f/5. #101, Woodland Hills, CA 91364. I stacked in SIRIL, performed BE with Graxpert, and then did the processing in PI. When looking at the images, it was blindingly obvious that I had some serious field. My experience with astrophotography comes from the analog era, the middle ages. 8x Reducer/Field Flattener for F/6 Refractors -. Unguided, using an Orion SkyView Pro mount, AT72EDII telescope and ZWO ASI120MC camera. Reviews. It’s clear that Celestron has established itself as a leader in the telescope field! Conclusion and. 25” eyepieces for now (I like the weight reduction) so my widest eyepiece in that format is my. 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. Other. This photo take from the deck of the Cracked Pot Coffee Shop with an ASI178MC camera and AstroTech AT72EDII telescope shows the Great Orion Nebula, which is located below the sword of the Orion. I have a Twilight Nano that will not work (I know, I know!), so I need an alternative. Closed Sundays and major U. The lenses are made by Ohara. AT60ED vs. I bought a generic reducer/flattener for my AT72EDII to have "something" but after it arrived I found a 2" to 1. Omegon Dobson telescope Advanced X N 254/1250. I am good with my big equipment. You can sit in a normal chair and not have to stand up hunched over to look at something that is not very high above the horizon. The AT70ED is bringing ED optics to you at a fantastic price. 2. choices. The AT72EDII is a completely different telescope from the AT72ED. I've had a number of medium-capacity manual Alt-Az mounts that would certainly handle an AT80ED. I cannot say enough about my 72 or my AT80ED, it is one of those you gotta check it out for yourself. Expectations With My Gear? - posted in Electronically Assisted Astronomy (No Post-Processing): Heres a 30 minute live stack of The Witchs Broom (IC 6960) from last night. Since I also have an AT130EDT, my first reaction when I opened the box was, what a small scope. 95. g. same place, Astronomics). 75" diameter. The astro tech . OMG is the AZ2000 $16k??? 94lbs alone for the mount!!! Hard to get my head around. THANK YOU! Brilliant, finally an apples to apples. M16 - posted in Beginning Deep Sky Imaging: Imaged m16 a few weeks ago and finally had some time to process it. And since we're a family business, we plan on being. First. Quality reliable. Apertura 72mm FPL-53 Doublet APO Refractor - Apertura Full Frame Field Flattener - Apertura 32 mm Blue Guidescope - $780. 8x focal reducer for refractor telescopes Any. Leo Triplet Captured at the Middle Georgia Astronomical Society Dark Site in Perry, GA. Manfrotto carbon fiber tripod MT055CXPRO3 @ $478. The total data wound up being about 53 hours, with 18 hours of luminance. The other option would be to image with the AT72EDII and for wide-field narrow band that could work pretty well. From what I have heard, most people but the brightness/offset around 10 so wondering if I am way off with my settings or reading of histogram. Anyone putting their SCT on a manual mount? - posted in Cats & Casses: I have a double-sided NOH CT-20 and Ive got an AT72EDii riding on one side. The handle will help making set up much easier as you have a solid part to grab onto and not just the tube. More to the point, according to the SV website, this is a going out of business sale for the SV Access 80mm. Same glass from what I can tell but this one is an APO. . 25" would require a good deal more focuser extension. The Astro-Tech 72mm is an excellent choice for wide-field astrophotography and observational astronomy but proves its versatility by also making a premium spotting. net. To calculate how much back focus spacing you need to add, take the thickness of the filter and divide it by 3. 00. I have a William Optics Z61 that can do this. She bought a 200-500mm Nikon, and I bought an AT72EDii. th3_n3wb13 wrote: Check this out, the guy used his modified Canon50D and only 50mm to capture Milky Way. With a FR/FF, the AT80EDT goes from f6 to f4. Im very new to the whole camera with telescope experience and would appreciate any advice on how best to configure this setup. I will cover shipping. 8x reducer made for this scope. Shot over two nights. I see the following options, and the prices are different: - Tele Vue 0. Beginner Eyepiece(s)? - posted in Eyepieces: I have been a lurker on CN for a while now… I am getting started in this hobby and acquired an AT72EDii some time ago, primarily for photography but would love to do some visual, as well. The AT72EDII would be great for large nebula, wide field DSO, etc, while the AR102 would be more appropriate for smaller DSO, galaxies, etc. There is a choice (up to you): 1. I even searched astrobin to look at what others got using this telescope and surprisingly I see the same theme. 5 as a finder/small telescope/guide scope. Chromatic abberation isnt just about seeing false color. 25" adapter in the basement with 42mm T threads on the back. 5 hours total + Flats/Darks/Bias with BYEOS . The telescope end fits into a 2-inch adapter just like an eyepiece. 13 March 2019 - 03:41 AM. Page 2 of 4 - AT72EDII - Yes, planets are small, but spectacular - posted in Refractors : Mark, Thank you for sharing your wonderful report. Quick view. Indeed there are more than 4 solutions in total, but these are what we most recommend. Feel free to make a contribution! Learn more. 8x and a field over four times as wide as the full Moon. , and an iOptron SkyGuider Pro. - posted in Refractors : User desertlens made a really helpful post recently talking about (among other things) focuser drawtube threads. My AT72EDII arrived today - first thing I did was move the included (short) Vixen rail to the top and install a slightly longer rail on the bottom. 8 reducers both thread into the telescopes to make a firm connection. New Scope - AT72EDII - M31 Andromeda Galaxy - A7R IV - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: I recently bought a telescope, the AstroTech AT72EDII, with matched reducer/flattener -- both of which were used for this image. Get Telescopes of all makes at OpticsCentral. This scope will begin its life as a grab and go on a Manfrotto 055XPROB tripod paired with a Manfrotto MVH500AH fluid. Longer 8" dovetail plate - the scope tends to be back heavy for most mounts without a longer mounting plate. However two of these are outlying and may or may not belong to the group. "The primary objective of your refractor telescope is 51mm, which equates to 2 inches. This electronic focuser enables precise, dynamic focus control for planetary and deep-sky imaging. 5 focal reducer, and the l'extreme. Then I start daydreaming about piggy-backing my AT72EDii on my C8 all mounted on the G11G and image with either (or both?). 5 Item(s) Sort By : Show : View . There was a bit of wobble related to the head rather than the tripod. it is a tripod that is missing. . I want it to be as simple. The AT72EDII is not part of the shipment now in Customs. AT72EDII for AP? - posted in Beginning Deep Sky Imaging: I am considering upgrading my lens to the AT72EDII and was hoping to get some advice from those who are already using it for AP. I presently own an Astro-Tech AT72EDII refractor - similar telescopes can be found in the $500 range. Pending edit 1; Mounts 621 ; Filters 2238 ; Accessories 1413 ; Software 386 ; Contributors 50 ;Here are the specs: This Astro-Tech ED refractor has: • 72mm f/6 fully multicoated FPL-53 ED doublet refractor optics. 8 Reducer and Field Flattener question - posted in Refractors : Hello. I have done some backyard observing over the past several nights, mostly of Jupiter, Saturn, the Moon, and Mars using an AT72EDII, Orion ED80, the Orion 110ED f/7, and a Celestron LT 80 f/11 achro that I have added a 2" GSO focuser two, and a long dovetail positioned on the tube for better balance. 00/$459. 37 arcsec/px. Yet Another BackFocus Question - posted in Beginning Deep Sky Imaging: I apologize if my searching skills have failed me and this question has been answered before. All you need to do is supply your Cloudy Nights username name for verification when you place an order at Astronomics and that is it. Voyager 2 mount - lightweight and really stable when configured correctly. It takes a telescope dealer with practical hands-on telescope experience. I know that my mount/camera. focuser knobs. Back to top #49 alphatripleplus Page 4 of 4 - AT72EDII - Yes, planets are small, but spectacular - posted in Refractors : The first thing I did with my new AT72EDII was to remove the dovetail and put it back on the other way, with the longer side toward the focuser, in order to better balance with a 2 diagonal and 2 eyepiece! I now have the scope mounted at the extreme end of the dovetail, and it seems to work fine. Does anyone know what model this MANFRETTO is? Will it work as a light weight to-go for an ASTRONOMICS AT72EDII (apx. Learn more about the Cadet Apex72 electric wall heater -- which quickly heats up your room and provides more living space. That list includes the AT72EDII (due out soon) and the AT80EDT. 00. Just my opinion from the images on the website. One thing interesting about the AT102ED is that I could use a reducer/flattener to bring the telescope to F/5. Page 1 of 2 - FC or Coma in my Refractor? - posted in Refractors : Hi, Does this look like coma or field curvature in my images? The full image is shown and then a full scale crop of the upper left. - posted in Experienced Deep Sky Imaging: Hello, I picked up a second hand Askar FRA400 with a matching 0. Tech Details. Posted 13 September 2019 - 08:44 PM. William Optics do the same with their versions of Astro-Tech scopes. The 60ED and 72EDII also use FLP-53 glass, whereas the new 7OED, like the 80ED, does not. 00 Not FPL-53. 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. The Evostar 72 has noticeable bloat in the blue channel, I would get a different telescope if you are doing imaging. Page 1 of 2 - First eyepiece for a AT72EDii refractor - posted in Eyepieces: I just placed an order for a AT72EDii refractor (430mm f/6) - very excited. Upgrading to the AT72EDii is a modest refinement to the scope with no obvious drawbacks and a marginal cost of about $150 after reselling the AT72ED, so it's an easy decision. Usual disclaimer - the. Page 2 of 4 - TV Pronto Compared to New AT72EDII with FPL53 Element - posted in Refractors : Anytime I read about intolerable CA in the Pronto I break out in a cold sweat with worry. 00. when I unscrew them, they don't come out and rather fall sideways. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. SVBONY 220 2" filter. First light with this scope was a shot of the moon in the early. -AT72EDII & ASTRO-TECH 0. choices. Longer 8" dovetail plate - the scope tends to be back heavy for most mounts without a longer mounting plate. But this review is based on both visual and AP so I thought I would start here. • two-year warranty. Reviews. Save the 8HD for planetary and double star imaging. Telescope is Astro-Tech AT72EDii with AT2FF field flattener, camera is Olympus OMD E-M1mkii with exposure of 30secs @ iso 800. Even if I have to freeze my butt off for it! Here is the full resolution image on my Dropbox. The ATR8 is more universal with only threads on the camera end. ZWO EAF. Your AT72EDII with the longer focal length should be much better than my AT60ED in that respect. You can directly connect it to the scopes without using the feather touch focusers. Yes to this. Visual Grab and Go Configuration. It brings the February 2022 security patch to the. AT70ED, AT80ED) without the. Edited by gwlee, 10 June 2017 - 04:17 PM. Add to cart. I had a lot of issues these nights trying to find focus on my C8 to photograph something else. $320. I needed to remove the bottom rail anyways to check the bolt thread on the bottom ring, so it was just a matter of re-installing the included ring on top rather than bottom (after checking screw. With a short focal length refractor it is a low power eyepiece. For seeing the planets, generally speaking, the more magnification the better (within the limits of this "Rule of Thumb"):The AT72EDII measure at around 4. I am strongly considering the Astro-Tech AT80EDT f/6 and I. The AT72EDII will be coming in October, along with all of the EDT scopes (80, 115, 130, 152) and the smaller sibling of the 102ED an 80mm version. It functions as a handle (This is fairly obvious from the name. 8. AT80EDT. With the Nikon/Air combo, I have to run it in Manual mode, set to Bulb, and Air limits me to exposures of 30 seconds or less. . Description: More of "Galaxy Season. I am strongly considering the Astro-Tech AT80EDT f/6 and I wanted to. While this Astro-Tech #ATR8 0. Description: The Wizard Nebula is an emission nebula that surrounds the open star cluster NGC 7380 in the constellation. According to Ernest the 4. The Air will also capture Darks, Flats, and Biases through the. AT72EDII, 0. M45 with AT72EDII and Canon 450D - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: Ive been trying to get more integration time for M45 to reveal more nebulosity and better color balance for stars. The description states that it is Vixen compatible. for the AT72EDii the rings sort of want to be ~55mm apart, to fit between the retracted dew shield and the focuser. Having so many clear nights in a row has given me an appreciation for having my mount always set. The lights were turned out after 10pm on the observation deck, so I was able to get some good skies despite a few clouds. - SW 72ED or AT72EDII or WO ZS73? - posted in Refractors : I am just getting started with imaging and planning to get a small refractor to start with. Astro-Tech - AT72ED manual. It’s made for the Z73 which is more or less the same as the AT72EDII. AT72EDII or AT80ED - posted in Beginning Deep Sky Imaging: After much agonizing I made a decision and placed an order for an Astro Tech AT80EDT triplet -- very excited! Except I found out the next day that even though the website says they have them in stock they actually dont, and wont for another 60-90 days. Note: please make sure the prism won’t block the imaging areaAstroTech AT72EDII @ $489. We feel this is truly a lifetime instrument. This was with an AT72EDii, 0. I know the AT72EDII has much better glass than the AT70ED, but is it $200 better? (Plus, there are AT70s in stock, so no waiting). Both are well within the weight ratings. Binoculars that have shown me M33: - Canon 10x42 IS - 10x50 (I don't recall the brand; I sold or gave them away years ago) - Celestron 15x70 - Celestron 25x100 . Scopes like the AT72EDII can hit higher magnifications than "regular" ED scopes using FPL-51, FCD-1 or FK-61 glass (e. I have been using a Tamron 150-600mm zoom as my primary imaging lens and recently upgraded my AP camera to an ASI533mc. Our first star test on the AT72EDII prototype was simply textbook. Great accessory for the AT60ED if you're looking to attach a viewfinder, finder. Astro-Tech AT72EDII w/Altair wedge and Baader filter. All thoughts greatly appreciated. Page 11 of 20 - The AT72EDII is out! - posted in Refractors : @ John My experience with flatteners is that the shorter the scope FL, the longer the spacing between flattener and camera. 63 focal reducer). So, do I: --wait 3 months for the 80EDT --buy the AT72EDII --buy the AT80ED Intended. 5 to f/7 range that use a 2" focuser. Is there a field flattener available such that I could also get flat images at the native focal ratio?Field flattener spacing - posted in Beginning Deep Sky Imaging: Ive got an AT72EDII, DSLR, and Orion field flattener. Its a perfect compliment to the L-Enhance. worth of data. m16, 79 frames of 16s . October 25 and 26, 2021. Maybe I need to stop thinking and just have Losmandy take my money but I would like thoughts from others more experienced at this than me. M31 Andromeda from Bortle 8 - ASI071MC Pro and AT72EDII. The ED80T CF apo refractor is a versatile power performer telescope well-suited for multiple applications. Although at any given magnification, the image in the 80mm will be about 23% brighter with about 11% better resolution. AT72EDII, ASI2600MC-PRO, HOTECH Field Flattener Questions - posted in Beginning Deep Sky Imaging: Team, I recently acquired the camera and field flattener documented in the title. 200. Posted 04 October 2023 - 09:27 PM. There are several set screw marks on the dovetail. My Orion is also a doublet with an FPL-53 and is really nice. Testing my new AT72EDII and I noticed this on the subs,. The views are tack sharp and there is virtually no CA (at least to my eyes). The William Optics scopes look nice as well, esp the Star71 (f/4. But some things don't change. I have the 72ed and I took my time choosing it. I have purchased T2 T ring adapter. 779. But, between the AT70 and AT72EDII, I think you would gain some good color correction as both are F6. for the scope so thought I would do a quick data dump here in. I also have an AT72EDII. I've owned the AT72EDII and a couple of SkyWatcher 120EDs, but not the SW 72ED. First off, the mechanics are really nice, the focuser is strong and smooth and I love the retractable dew shield. Back Focus Spacing issues with ZWO Cameras - posted in Experienced Deep Sky Imaging: Not sure if this is the right place to post this but Im having some problems working out the best way to attach ZWO ASI Cameras, specifically 183MM Pro and 183MC Pro to my Astrotech AT72EDII with the AT 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. AT70ED or AT72EDII? - posted in Refractors : Im refractor shopping, mostly for AP. Above $2500 cameras tend to become increasingly specialized, making it difficult to select a 'best' option. So that's. Yes, the distance from the prism to both sensors has to be equal in order to achieve focus with the guide camera. I recently bought an at72edii last week (8-3-2022) for purely visual use. . Thanks for looking. Great little scope. Astro-Tech AT72EDII Refractor OTA FPL-53 f/6 $469. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. -Exposure: -Bortle 8/9. I connected all these. 2" dielectric diagonal. 14 bits vs 12 bits. The Apache 4800 case is a little bigger than the 3800, so I'm going to purchase the 4800 to see if I can carry a few more accessories. For both my AT72ED and AT72EDII, the color for the in focus and out focus patterns were essentially the same. 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. The install was not seamless as the bracket holes simply did not match up anywhere on my refractor, some MacGyvering later I got it to function quite well.