at72edii. 8x Reducer/Field Flattener for F/6 Refractors -. at72edii

 
8x Reducer/Field Flattener for F/6 Refractors -at72edii  I hope

The mechanical aspects of the SW scopes are behind the AT scopes. It came with 2 rings around it connected to a dovetail plate. Thanks for looking. Apertura 72mm FPL-53 Doublet APO Refractor - Apertura Full Frame Field Flattener - Apertura 32 mm Blue Guidescope - $780. I saw it in an ad in S&T (pre-internet) and. I like the AT72EDII scope, but at the moment they are all out of stock. 95. Cool down is faster, focus is tighter and easier, no mirror flop, and the EAA views are nearly always sharper than with my SCTs. And it is adjustable, so you can fine tune it. I guess I'll be able to capture farther things with my 200mm lens. The AstroTech 72mm f/6 in black is an ED doublet refractor telescope. choices. Hopefully my atrf72 will ship this week. My experience with astrophotography comes from the analog era, the middle ages. Fpl-53 glass, 2 speed r&p, rings and dovetail bar. I have been using a Tamron 150-600mm zoom as my primary imaging lens and recently. So to be sure I wasnt going blind or some such, I took out the Pronto for an impromptu daylight CA test. Page 1 of 6 - Choosing between Astro-tech AT80ED and AT92 - posted in Refractors : Greetings, Friends, I am planning to purchase a refractor in the coming weeks. The Evostar refractor lens assembly utilizes a proprietary combination of matched lenses, delivering tack-sharp stars with charcoal-black, contrast-rich skies. I also bought a StellarVue low profile finder base that will fit the above finder, but it came with the wrong sized screws for this scope, and I have not yet bought proper sized screws. You can use shorter eyepieces and/or a Barlow with an AT72EDII to get the same magnification as an AT80ED. We've helped hundreds of thousands of people pick the right telescopes or accessories since 1979. 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. For several months, I have been the owner of my first ever telescope - the Sky-Watcher Evostar 72ED. $29. 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. 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. net. 36 light, 5 dark frames, pre-processed in Lightroom, stacked in Sequator and final minor edits in Photoshop. The AT72EDII & AR102 APO are two very different instruments for imaging. AT115EDT. 2. The scopes now in Customs are the AT102ED and the AT60ED. 00 Not FPL-53. I use my AT72EDii visually and for EAA. AT72EDII scope with ZWO ASI294 CCD camera. Wanted to share a quick video of the Astro-Tech AT72EDII By the way time of this video I was on pain killers due to me messing up my back, so that's why I li. I have seen the AT72EDii as an option and have heard. Best cameras over $2500 in 2022. First off, the mechanics are really nice, the focuser is strong and smooth and I love the retractable dew shield. 2" dielectric diagonal. ASTRO-TECH AT72ED 72MM F/6 ED $379. Longer 8" dovetail plate - the scope tends to be back heavy for most mounts without a longer mounting plate. Loc: Clinton, TN. The evolux is a new series and has a retractable dew shield. At72edii with . These include the Explore Scientific Twilight I, the Vixen Porta II, and the Sky-Watcher AZ5. Processed in Astro Pixel Processor. $2,490. 5348 Topanga Canyon Blvd. The Optolong L-Enhance filter seems to work well with the 183 at least from my red zone suburb. - posted in Refractors : User desertlens made a really helpful post recently talking about (among other things) focuser drawtube threads. I'm sure the glass is better but I haven't compared the two directly. ASI2600MC. 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. Large. " This is M101, the Pinwheel Galaxy, also known as. An AT72EDII on that is a one-hand and out the door Grab-and-Go setup for sure. (Televue TRF-2008 0. So even better, mainly at the edge of the field. I have a. 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. According to Ernest the 4. Thanks. Unless it's a Petzval type refractor which has the flattener built in, yes a flattener is really well worth having for any refractor, not just the AT72EDII. Page 2 of 2 - Needsuggestions for a first refactor - posted in Refractors : Brian, Ive been a visual observer for over 40 years (eyeball to eyepiece visual). Online since 2011, AstroBin is the #1 complete solution for image hosting of astrophotographs. 23-Oct. The AT72EDII was a bit better. What would you recommend for a mount? Id like a goto EQ mount that is not heavy. (Possible changes of mating-glass types or optical formula have not been mentioned, and the OEM manufacturer is uncertain. Hmm, maybe it's a worthwhile compromise. Apetura and have. 75" diameter. Sky-Watcher EVOSTAR 72mm vs Astro-Tech 72ED II - posted in Refractors : I am looking for a small refractor for both visual and beginning AP. 8 Reducer and it works great. 5 as a finder/small telescope/guide scope. My setup was the scope, a Stellarvue M1V, diagonal, and two ES82 eyepieces (18mm and 6. It’s clear that Celestron has established itself as a leader in the telescope field! Conclusion and. focuser knobs. The description states that it is Vixen compatible. 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. While this Astro-Tech #ATR8 0. To calculate how much back focus spacing you need to add, take the thickness of the filter and divide it by 3. 22May57Cyg-9A4-G350ZZ-30-30-DGH-FRGB. 2. This cut the curvature distortion by. 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. Astro-Tech AT72EDII is an equipment item of class Telescope or lens on AstroBin equipment database. 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. m8, 16 frames of 68s . The other option would be to image with the AT72EDII and for wide-field narrow band that could work pretty well. They are the same scope. Brands / Companies 931 ; Cameras 3319 ; Sensors 465 ; Telescopes & lenses 3756 . I cant count the number of times Ive been away from home and said I wish I had my telescope. Waited for about a week for the clouds to clear and gave it a shot. Now you can directly connect the EAF to your camera, laptop or ASIAIR PRO via. I use my AT72EDii visually and for EAA. I had the AT72EDII mounted on my SkyGuider Pro, so subs were all unguided, and I used an ASI2600 for imaging. 00. . 8x FF/FR would work with that camera and scope. Astro tech AT72EDII vs Apertura 72mm FPL-53 - posted in Refractors : Hello everyone. 5" w/Moonlite Stepper v3 ZWO ASI2600MC-Pro - ZWO ASI2600MM-Pro - ZWO ASI174MM-Mini - ZWO OAG - ZWO EFW AT2FF - CCDT67 - RIRED-M63. With a short focal length refractor it is a low power eyepiece. The FPL-53 lens makes a huge difference in correcting chromatic aberration, rendering sharper images. Astro-Tech AT72EDII Refractor OTA FPL-53 and Lanthanum f/6 Doublet - $519. I also have an iOptron AZMPro I use for visual with large scopes, etc. , and an iOptron SkyGuider Pro. The Astro-Tech 2" Field flatterer is what you need. I even searched astrobin to look at what others got using this telescope and surprisingly I see the same theme. Page 1 of 2 - Astro-Tech AT80ED f/7 vs AT72EDII f/6 (<$500) - posted in Refractors : I already have the AT111EDT f/7, but it isnt grab and go friendly with just the OTA weighing in at 14 lbs. Mike. Yes, the distance from the prism to both sensors has to be equal in order to achieve focus with the guide camera. I plan to use a Canon 6D Mark II and a ZWO ASI294MC Pro. M16 - posted in Beginning Deep Sky Imaging: Imaged m16 a few weeks ago and finally had some time to process it. This Explore Scientific focal extender doubles the power. First light with AT72EDII - posted in Refractors : My AT72EDII arrived Thursday. Review of the Orion XX14g Dob Updated 10/25/21. 5 to f/7 range that use a 2" focuser. Save the 8HD for planetary and double star imaging. IMO, the felt dust on the objective, from the three pads, isn't a big deal. 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. 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. This is the way it is shown in the owners manual and the only way that I have gotten the tracking, finding and. Posted 13 February 2021 - 04:40 PM. 3) this will display a screen shot of your frame with the tilt shown as a box overlaid on your image. Yes to this. - 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. Posted April 16, 2020. Open Monday through Friday 9-6pm PST and Saturday 10-4pm PST. I’ve. Equipment Discussions. 9 Petzval . This is the first brand new scope Ive purchased in over 30 years, first one was a Meade LX50 8 SCT from (interestingly enough. Page 1 of 2 - AT72EDII threads etc. Find cameras, lenses, studio. WO Zenithstar 61 APO $478. I don't have the small plastic cover that fits over the. . It's like the focus plane has moved up to accommodate the astrophotography. AT70ED, AT80ED) without the image turning mushy. Acquisition Data: -Winter 2023. Add To Cart. Unknown. 72mm Apochromatic Doublet Lens. The WO scopes are higher priced, but star party demos pop up from time to time with nice discounts. Product Description. 3'' guiding which is decent enough for me as i was able to get a single 10min exposure. The ED80T CF apo refractor is a versatile power performer telescope well-suited for multiple applications. Brands / Companies 932 ; Cameras 3319 ; Sensors 465 ; Telescopes & lenses 3756 . The lenses are made by Ohara. 8 Reducer for each. For both my AT72ED and AT72EDII, the color for the in focus and out focus patterns were essentially the same. 8 Focal Ratio. It functions as a handle (This is fairly obvious from the name. Page 1 of 3 - TV-76 and AT72EDII - posted in Refractors : Has anyone ever compared the TV-76 to the AT72EDII? I already know that there is a huge price difference. Astro-Tech AT72EDII AstroBin's equipment database is entirely maintained by the community. Does the SW have the same glass as the AT? If not, is the performance of the SW the same as the AT? Is the AT worth $69 more? AT2D diagonal + AT72EDII - posted in Equipment (No astrophotography): During my initial purchase of the AT72EDII, the AT2D 2 dielectric diagonal came recommended as the diagonal of choice for the AT refractor series. This was my solution to balance the AT72EDII, an ASI183MC, field flattener, guidescope, and ASI 224MC guide camera. 25/C11/C14. Just throwing that out there as an idea on what. It keeps. Price excluded from the comparison, how does one refractor compare to the other in image quality, build quality and function? I havent been able to find any comments comparing. 4. Today I have received AstroTech AT72EDII scope after waiting for 4 long months. I stacked in SIRIL, performed BE with Graxpert, and then did the processing in PI. Field flatteners for AT72EDII and AT115EDT? - posted in Refractors : I have these two scopes and I have the dedicated 0. $149. 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. EAA would. Looks pretty sweet! 🍿🍿🍿. M31. The Twilight I is strained by anything larger than an 80 mm refractor, or a 130 mm f/5 Newtonian. That review was less than stellar and left me with some doubts. 25" diagonal as-new; Vixen NPL 25mm ep; Vixen NPL 15mm ep; Apache hard case; Total price including shipping CONUS USA and PayPal is $580. Looks pretty sweet! 🍿🍿🍿 With the 430mm focal length Astro-Tech AT72EDII, its five lens/three group multicoated glass optics provide 27. I presently own an Astro-Tech AT72EDII refractor - similar telescopes can be found in the $500 range. Newtonians at F/4 have two main plusses; They are compact for the aperture. 5C gain300 2023 02 26 231800 ZWO ASI 482 EAA - Live Stacking AT72EDII REFRACTORDiscontinued Product ZWO EAF ( Electronic Automatic Focuser) $199. Anyone with experience with ASTRO-TECH AT72EDII REFRACTOR - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: Hi all I am looking this the AT72EDII to use with two cameras. 240. By lwillinger ( View all images and albums) 1 images, 0 comments. One thing interesting about the AT102ED is that I could use a reducer/flattener to bring the telescope to F/5. As I said these fractional advantages did not matter to me. The left side of. A 72mm f/6 fully multicoated FPL-53 ED doublet refractor telescope with dual-speed Rack and Pinion focuser, 2” focuser with Camera Angle Adjuster, split tube rings and Vixen. Load More. 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. I was using a new ASI2600MC Pro. 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. 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. Cloudy Nights. In a small telescope, the image scale is smaller than. th3_n3wb13 wrote: Check this out, the guy used his modified Canon50D and only 50mm to capture Milky Way. The AT72EDII feels more similar to the ST80 in size (it's more compact with dew shield retracted but the ST80 is only about 3lbs with the stock focuser) while the AT80ED. I will be using 1. I am new to both this scope and to EAA. Our first star test on the AT72EDII prototype was simply textbook. AstroTech AT72EDII and accessories. Since I intend to only use a DSLR (Pentax K3II) with this scope, I wanted a scope with low dispersion. Review of the Sky-Watcher Heritage 150p Collapsible Dob Updated 10/25/21. AT72EDII. Astro-Tech AT60ED 60mm f/6 FPL-53 ED Doublet $369. Description: The Wizard Nebula is an emission nebula that surrounds the open star cluster NGC 7380 in the constellation. THANK YOU! Brilliant, finally an apples to apples. First, it costs way less than the RC71. Chromatic abberation isnt just about seeing false color. 6, 571mm, 1. 8x FR/FR. IMHO the ATRF72 is threaded and fits scopes like the at72edii which you can unscrew the 2-inch adapter and screw in the atrf72. 8X REDUCER. Sharpstar 60ED Astronomical Telescope $366 / $436 with Flattener. Fpl-53 glass, 2 speed r&p, rings and dovetail. Still, the AT72EDII is a pretty good value. 1. The handle will help making set up much easier as you have a solid part to grab onto and not just the tube. I also paired it with the Orion 2" dialectic diagonal, and I can't achieve infinity focus. 95. Great optics, 2” rack and pinion focuser, well made, and it fits nicely in an Apache 3800 hard case with room to spare for a diagonal, eyepieces, finder, and filters. Introducing 5V EAF, the upgraded version of the original ZWO EAF. com. But it is a beauty, with quality components including the focuser, camera angle adjuster, dew shield, and rings. Posted 17 July 2020 - 09:32 AM. Other colors and types available just ask. 8 and with this camera. helicon Co-Administrator Articles: 554 Posts: 11818 Joined: Mon May 06, 2019 1:35 pm 4 Location: Washington TSS Awards Badges. Field flattener spacing for AT72EDII - posted in Beginning Deep Sky Imaging: Ive got an AT72EDII and Canon T3i DSLR. 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. Also, brighter DSO targets and the Moon and planets will have more detail with the AT80ED. Refractor Dew Shield - Can I Leave Extended? - posted in Refractors : Other than transportability, is there any reason to not keep the dew shield extended? I have an AT72EDII that I have remounted onto a 14 ADM dovetail with 2 risers - the dovetail for better balance, the risers to use with an EAF (and the risers give me some place to wrap the 6. 8X reducer/field flattener is designed for prime focus astrophotography with your AT80ED refractor. Difference is there and I see it, the L-Pro lets in more of the blue. Show More. Price is good, but at f6. . 8 Guidescope to improve the precision of your autoguiding system, for wide-field astrophotography with small CCD imagers, or as. 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. The plate is 1. Celestron, Meade, and Tele Vue are a few of the industry leading brands High Point carries. $419. Totals $1168, which leaves $432 for accessories. Since I intend to only use a DSLR (Pentax. According to ZWO, the length form the sensor to the. The FPL-53 lens makes a huge difference in correcting chromatic aberration, rendering sharper images with much more realistic colors--closer in hue to those that I have gotten from the Epsilon-200. There is a choice (up to you): 1. Your AT72EDII with the longer focal length should be much better than my AT60ED in that respect. Gathering Light Since 1997 "Ed, I stayed up half the night reading your web site! Bravo!" -M, 11/10. Page 2 of 4 - AT72EDII - Yes, planets are small, but spectacular - posted in Refractors : Mark, Thank you for sharing your wonderful report. Light Stack 120frames ASILive 10sec Bin1 8. Amazon. 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. My attempts at adding guiding have shown that <4 arcsec is ambitious. And since we're a family business, we plan on being. 00/$459. Top. Does anyone know what model this MANFRETTO is? Will it work as a light weight to-go for an ASTRONOMICS AT72EDII (apx. Page 2 of 2 - ST80 w/ 2in focuser vs AT72EDII - posted in Refractors : My AT72EDII is optically excellent from low power to high power, with excellent contrast. I use a Nikon D5100 with an ASIAir (not a mini, though) and the Nikon specific USB cable. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like) CH (high Fe. 00. AT72EDII + ASI2600MM - posted in Refractors : While waiting for the SVX140T to arrive, Im imaging with my AT72EDII + ASI2600MM along with the Aptura 1x adjustable flattener. I am strongly considering the Astro-Tech AT80EDT f/6 and I. OSC for AT72EDII - ASI183 vs ASI533 - posted in Beginning Deep Sky Imaging: Yes, its another which camera thread! After dabbling with DSO AP for a few months with an 80mm F/5 achromat and an ASI224MC, Ive gotten permission from the CFO to upgrade to an AT72EDII, which should arrive in late May. 25" adapter. 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. This is not an exaggeration. - posted in Refractors : Hello, I have been into astrophotography for a while now but mainly just borrowing from my Local Astronomy club. Page 1 of 2 - ST80 w/ 2in focuser vs AT72EDII - posted in. 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. Astro-Tech AT72EDII with Altair solar wedge Celestron NexStar 102GT with Altair solar wedge Losmandy AZ8 Alt/Az Mount Sky-Watcher AZGTI Alt-Az GoTo mount Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea Lunt, Coronado, TeleVue, Orion and Meade eyepieces Visual Observer " Way more fun to see it! "Top. We don't expect the scopes until October. 63 focal reducer). Acquisition Data: -Winter 2023. Chondrites (Carbonaceous) CI (Ivuna-like) CM (Mighei-like) CO (Ornans-like) CV (Vigarano-like) CK (Karoonda-like) CR (Renazzo-like) CH (high Fe. I do some visual with a C8 and some AP using an AT72EDII. Small Pixel Cameras (2. Having so many clear nights in a row has given me an appreciation for having my mount always set. My C8 used to be my most heavily used EAA scope, but now I prefer the ease of using my 130EDT f/7 triplet refractor vs my two SCTs. While I await the arrival of my G11, I am enjoying four or five clear nights in a row - relief from weeks of rain and clouds - with my AT72EDii on an AVX mount. If the apertura is the same, I may go with it. Backfocus spacing is supposed. I've had the AT72EDII well over 200x looking at the Moon, but you have to use a short focal length eyepiece and either a good Barlow or a Focal Extender like a TeleVue PowerMate. . Page 1 of 2 - AT72EDII vs TSAPO72F6 - posted in Refractors : Hi,Are there any real difference between a AT72EDII and a TSAPO72F6 ?They are supposed to be same according to many resources online, including here on CN. For example, the fully-multicoated Astro. Thoughts on Astro-Tech AT80EDT f/6 - posted in Beginning Deep Sky Imaging: I have been imaging with my celestron Omni XLT 150 reflector and am looking to pick up a wider field scope as I keep running into issues where the targets I want to image dont fit in my field of view. Mint condition (used only a few times) Astro-Tech AT72ED II scope. It’s clear that Celestron has established itself as a leader in the telescope field! Conclusion and Discussion Posted 28 April 2021 - 03:20 PM. Both had good color correction. Other. Perhaps an AT72EDII or the equivalent Skywatcher. The Apache case definitely gets the nod, and thanks Polyphemos for the great photos. There are lots of folks who have settled upon the AT72EDII for their travel setup. AT72ED + ATRF72 Using Spacers - posted in Equipment (No astrophotography): Im waiting on an iOptron mount for my AT72EDII, but trying to collect some accessories while they are in stock. Had gain at 535 and exposure 20 seconds. Feel free to give us a call if you have a question about your scope if it isn’t an Astro-Tech product. And I know for sure that the Astro-Tech AT72EDII needs a focal reducer/correct. The AT90CFT 90mm f/6 triplet apo is a very compact refractor for the serious observer and traveler. It’s made for the Z73 which is more or less the same as the AT72EDII. com is the leading portal for astronomy news, classified ads and telescope reviews. I now have to get back focus corrected again for the main camera. Unguided, using an Orion SkyView Pro mount, AT72EDII telescope and ZWO ASI120MC camera. ( 540nm ) I could see two active regions on the photosphere today. The Samsung Galaxy A72 was announced on March 17, 2021, and it’s available now in the UK, while Australia will get it from April 9. The AT72EDII is quite a bit smaller and lighter than the AT80, 12" and 4. Sharpstar 61EDPH II 61 mm Astrograph Refractor OTA - $500. 00. I have an AT72EDII on an AZGTi mount and want to use my Canon 40D wirelessly from my small Acer Windows laptop for EAA or some basic, simple AP. 00. It functions as a handle (This is fairly obvious from the name. The new visual back was about 12mm shorter than the rotator. 24x and 36x. Page 1 of 3 - Seeking Input: AT80ED vs. I see the following options, and the prices are different: - Tele Vue 0. Page 1 of 2 - Tilt, backspacing, or something else? - posted in Beginning Deep Sky Imaging: I recent had first light with an AT72EDII with . - posted in Beginning Deep Sky Imaging: I forgot to put the field flattener in! Such a let down. . 8x and a field over four times as wide as the full Moon. The combination produces significant field curvature, so Ive added a Hotech SCA field flattener. 1. OUR PRICE $699. I am leaning toward the 80, as it is a triplet. Well, according to this retailer, the William Optics Redcat 51 has an "aperture of 51mm, a focal length of 250mm and a fast f/4. The SV70 was a slight overload. I was experimenting with different cameras and filters. Just my opinion from the images on the website. We feel this is truly a lifetime instrument. 8X field reducer/flattener by AstroTech, the ATR8, along with the scope . But soon enough, it seemed some better glass was in order for my DSLR and my daughter's DSLR. But what still eludes me is a good portable tripod. 00. For my grab-and-go AT72EDII rig I use a Leofoto Ranger LS-365CEX carbon fiber tripod. by John Baars » Sun Jan 31, 2021 9:27 am. 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. 590. Or, go ahead and get the upgrade done. I just. Page 1 of 2 - Companion scope for an 8" SCT - posted in Cats & Casses: Looking for recommendations for a companion scope for my 8 SCT. The AT152EDT comes with a 3. Or simply replace the original felt with a thicker felt. ZWO EAF. 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. Instructions say 55mm back focus which I have achieved with the included spacers (21mm, 16. Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings. -Exposure: -Bortle 8/9. 20, Astroart 8, and PhotoShopCS2AT72EDII 72 mm refractor with 4. Page 1 of 3 - Seeking Input: AT80ED vs. If interested I also have available (not otherwise included with this scope) a mint condition. 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. One thing interesting about the AT102ED is that I could use a reducer/flattener to bring the telescope to F/5. 00. Between the SW and the AT, they should be pretty similar optically, but the AT definitely has the edge mechanically with the sliding dew shield and nicer focuser. Both are well within the weight ratings. This is a good quality fully-multicoated low power eyepiece at a price that's substantially lower than competitive Plössls. . The AT72EDII is a completely different telescope from the AT72ED. So, if you have a filter that is 3mm thick, you need to add 1mm of spacing to your imaging train to retain the correct back focus. I have an AT72EDII that I have been using with the 0. This was in the EAA mode, unguided and no darks or flats. The new 5v electronic focuser, like its previous version, enables precise, dynamic focus control for planetary and deep-sky imaging, while only connected to a 5V. 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. I grabbed 2 hours of data on Tuesday night with the Astro Tech 72EDII and a modified Canon 450D, a very old work. for the scope so thought I would do a quick data dump here in case it helps others. I have two of them and they only came with a one page pamphlet of sorts. 00 with the dedicated FF/FR, while the RC71 is $1,698. AT72EDII and T2i. So, do I: --wait 3 months for. I am also including a full visual observing package: Astro-Tech 1. Tech Details. Place your astronomy ads, read the latest news articles and check out the current reviews of newest telescopes and equipment. Tech Details. 5 hours total + Flats/Darks/Bias with BYEOS . As a registered member of Cloudy Nights you are signed up already. I was thinking of using the AT72 as a finder, more or less, and then using the 8 for a different view,. A dedicated flattener is £80.