Skywatcher 72ed backfocus Only problem I had with it was backfocus. I purchased the dedicated field flatener and i tried to use it for the first time last night . This is where the optical accessories like a reducer needs a certain distance behind it to ac Skywatcher Evostar 72ED DS Pro F/5. 8 reducer with a rotator for each. You must be logged in to post a review. 8 with optional dedicated reducer/flattener for wider field of view The scope comes with an accessory rail as well as a guide scope rail. 1) Do i need an extension tube to reach focus with a prime DSLR? Since i need a 2 to 1. Buy DETAILS. I bought an Evostar 72ED with a compatible field flattener from William Optics (not the one suggested by skywatcher because it was too expensive for me and also reduces the focal length). I plan to photograph nebulae planets and galaxies. I was out imaging tonight and noticed eggy stars in the top right and left corner of my images. The field flattener corrects the inherent spherical aberration of curved lenses which, if left uncorrected, causes images to appear distorted at the edges of Yes, I'm doing EAA. The telescope is on a reliable equatorial mount for precise tracking, making it an ideal choice for capturing stunning long-exposure shots. No noticeable colour or fringing of Sky-Watcher Evostar 72ED collimation issue - posted in Equipment (No astrophotography): Hello, I have a Sky-Watcher Evostar 72ED which, from new, has consistently produced images that have elongated stars The Skywatcher rotator, as far as I remember, only fits the Skywatcher 0. 8 Refractor Doublet Refracting Telescope with 2" Focuser - #S11180 Unveil the mysteries of the universe with the Sky-Watcher Evostar 72ED APO Refracting Telescope. Backfocus is simply the camera position from the back of the flattener to the camera sensor for round stars, which Phil has described perfectly. Installing the field flattener and a DSLR (Digital Single-Lens Reflex) camera Note: Inside the box the 6mm ring spacer (3) is assembled with the field flattener body (2). Good morning all, Whilst waiting for the confounded clouds to move along I got to thinking š¤. Thats when I found out that my rig is unable Typically 0. This is 55mm for many flatteners and will automatically be achieved if you use a T-Ring. You can directly connect your DSLR using the appropriate T2 ring. D (Losmandy) dovetail bar 4. This is a review of the performance of the telescope without a field flatte Hi I had to collimate my 72ed as I had a bit of slop in the focuser and having issues with back spacing too. 00 $269. The objective lens features extra-low dispersion glass (ED) that minimizes the chromatic aberration for excellent colour correction. 6kg + 450gr for the corrector. BBC Sky at Night Magazine, July 2018 - Read full review. Previously, with the longer tube, some eyepieces would not come to focus when using a 2" I got this in Nov 2022 and Iāve been using it since then several time a week on my Skywatcher 72ED and Iām very satisfied with pinpoint stars up to the edges paired with the ASI585MC and Sony A6400 and Nikon D5600. This type of scope is not for the beginner Astro photographer (AP) and is aimed at the more advanced AP user. Ive found three options: The manufacturer recommends the Sky-Watcher 0. Both will then mean you have to put the camera sensor as specified distance (backfocus) from the flattener. Hmm. The Screws directly to the M54 thread on the Sky-Watcher Newtonian or 72ED refractor focuser drawtube. This means that it hardly shows chromatic aberrations when the light passes through the lenses. but back focus is a big What is backfocus and primer focus? Backfocus in the context of a flattener/corrector/reducer refers to the distance required from the last lens element to the camera sensor so it can Your M48 DSLR adapter should go right after the reducer and that will give you 54-55mm backfocus distance. I am quite new to astrophotography and i have just brought my first telescope, the Sky Watcher Evostar 72ed. The 72mm aperture is complemented by an extra low-dispersion (ED) element set in a doublet apochromatic lens design. If you want to use a rotator, this one from RVO will work with the OVL / Stellamira 1x flattener, not sure about the 0. Looking to connect a camera rotator to my SW Evostar 72ED - posted in Refractors : Hi, Im searching for a manual camera rotator for my rig consisting of a Sky-Watcher Evostar 72ED tube, Orion Field Flatenner for Small Refractors and ASI294MC-Pro. Thanks in Choices. 85x Evostar 80 Reducer/Corrector on an Evostar 72ED optical tube. Related products Free Shipping Evoguide 50DX Apo Guide Scope Astrograph $335. 8 (420mm) to f/4. It is considerably cheaper than the Skywatcher version and performs very well, so basically a no brainer to buy with this scope. Having Page 1 of 2 - At72EDII or SW evostar 72ED - posted in Refractors : I ordered and received the Skywatcher 72ed from from Amazon which is on sale at a great price but the one they sent me was obviously opened before and had No instruction manual or other paperwork and 2 thumbscrews laying in the bottom of the case so I sent it back. 25" £24. The skywatcher fits directly. Skywatcher shortened the tube a bit to allow a bit more room for 2" diagonals. Ive found that there is not a lot of information out there, so I thought I would compile my thoughts and observations. 85x reducer/flattener made for the 72ed. The focal length and f-ratio remain unchanged, the backfocus comes to 55 mm. Take some images and look at the stars in the corners. 79 x 2. 2 for the 72ed versus F5. I love doubles for their aesthetics, and have no interest in the Page 1 of 2 - Skywatcher Evoguide 50ED + flattener *Read this before buying* - posted in Refractors : Just to be clear, in this post Im only talking about using the Evoguide as an imager and not as a guide scope. 99: Continue Shopping: Add to Wish List: Tell a Friend: Related Products: OVL Twist Lock Adaptor 2" - 1. I hope I will be able to test next week the 6/8/10mm M48 spacers and see which one fits better. All new subscribers go into the monthly draw to win a Sky-Watcher 76mm Dobsonian Tabletop Telescope, valued at $179. These were with the extra-spacers I used. Your price: $700. 1 One more thing: with the OVL flattener I measured the FL to be ~430mm and with the "dedicated" flattener, ~377mm. Achromatic telescopes do I had purchased this as an upgrade to my SkyWatcher 72ED, which shows a bit of chromatic abberation, but given all these issues, I think I'm likely to stick with the 72ED - perfectly round stars in the corners when using the SW focal reducer. 00 Add to cart Save $106 Free Shipping 0. 7: £17. 5%!! Tilt on 72ED - posted in Refractors : Hello everyone - Iām reaching out as Iāve got an apparent tilt issue with my Skywatcher 72ED thatās driving me nuts. Astro Essentials M54 adapter for Sky-Watcher Newtonians and 72ED Refractor (M54) CNC machined aluminium so strong enough to carry heavy setups without flexing. The scope is only a Skywatcher evstar 72ED https://amzn. So 2-3mm of added backfocus + Visual Observing w/my SkyWatcher Evostar ED APO 72MM - posted in Equipment (No astrophotography): I wanted to start a string for the Visual Observer - Reporting on the SkyWatcher ED APO 72mm. does anyone have this same problem and does anyone know what distance there should be between my dslr and telescope? it surely must be more than 55mm since that is EVOSTAR 72ED. 9x Reducer/Corrector for Evolux 62mm $375. 5 powermate to use some of my eyepieces to get higher magnification. 85 reducer. However I am curious about the 10 extra milimeters of apature on the 72ED. 00 Evostar/Equinox 100 ED: £17. The field of view of the 72ED is quite wide (3-4 degrees with my DSLR). 8 to f/4. Overall Ive been very happy with the scope. This scope has a rotator built-in and the 2"/1. It has a Conclusion. Retractable dew cap 2. Tube rings 3. topic starter; Posts: 2,492; Joined: 19 Jan 2012; Loc: Hereford, AZ; Posted 27 February 2023 - 10: Hi try the canon adapter and the OVL field flattener £40 tops from FLO. It provides complete 360º rotation for framing your image and a 2" filter thread for screwable filters. I'm setting up a rig like I saw on YouTube but instead of using a 50EX I am using a 72ED telescope. Only I cant see any stars, Skywatcher 72ED Reducer for 72ED MFW ZWO533MCPRO sitting on star adventurer2 Also a Guide Scope 50ED Reducer for 50ED ZWO 120 MM Mini I found my field flattener actually has a 54. I was told that I have to get a reducer/flattener in order to get good results. You use the various extension tubes to get the required distance. Posted I'm buying the skywatcher evostar 72ed soon and will be pairing it with the OVL field flattener. Page 1 of 6 - Skywatcher Evolux 62ED Doublet Apo - posted in Refractors : Hi all, I was wondering if anyone has first hand experience with this new scope from Skywatcher, tailored specifically for wide field astrophotography? It really peaked my interest as this little scope seems to be in direct competition with other popular small scopes like the William Optics ZS61 and Designed specifically for their EvoStar 72ED f/5. As long as it SW Evostar 72ED 1. 00 Zenithstar 80 f6. 5" dual-speed rack-and-pinion precision focuser. I took it close to 300x on the moon and it was sharp! (3mm with 2. 00 Startravel 80 f5: £17. My rig presently consists of a Skywatcher 72ED on a heq5 pro goto mount with a evoguide 50ED guide scope and ZWO533MC camera all run through an ZWO asiair. 85x reducer/flattener and a backfocus distance of ~60mm and it turned out to be ~375mm. Here are the images of mounting the device to my Skywatcher Evostar 72ED telescope. 00 The EvoGuide 50DX Apo Guide Scope Astrograph takes Sky-Watcher's doublet design and The Skywatcher Evostar 72ED (also known as the Evoguide 72ED) is an apochromatic doublet refractor that offers high performance for visual observers and astrophotographers. The Skywatcher 72ed weighs 1. I've altered the tension on my focuser and sorted the tilt on my 294mc pro sensor (hopefully) my back spacing with an ovl fiekd flattener is around 60. The native 420mm focal length is reduced down to 357mm. Image not available for Color: To view this video download Flash Player ; VIDEOS ; 360° VIEW ; IMAGES ; Sky Watcher Sky-Watcher EvoStar 72 APO Doublet Refractor ā Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy (S11180) why using a field reducer/flattener - posted in Beginning Deep Sky Imaging: I just purchased a Sky Watcher EVOSTAR 72ED telescope. 99 Replacement Focuser for SkyWatcher Evostar 72ED - posted in Refractors : Hi! It seems that the focuser of my SkyWatcher Evostar 72ED broke, so Im looking for a replacement for it, and I want a more robust one, so Im looking for suggestions, that doesnt cost more than the tube itself, and compatible with the ZWO EAF. 5 mm will make only a trivial difference if you are already close. I found out I couldn't get proper focus with my dslr with the Skywatcher recommended flattener unless I backed the ring off 5mm as this supposed to be spot on with this flattener which isn't cheap. 8: £17. I find Amicis have particularly long light paths. At a 22 lb payload capacity ā the only thing I would say is to have a clear vision for your future imaging setup. 25x barlow). I understand the FLO OVL Field Flattener or Sky-watcher 80ED 0. That's 1/3 stop less light. The Sky-Watcher Evoguide 50ED is a very nice guiding scope that can also be used as a telephoto lens for daylight photography, spotting scope for daylight observation, finder scope to help you frame the target with larger telescopes, and also a decent grab & go little telescope for Moon and wide-field observation. This high-end Evostar-72ED Apo features a doublet objective lens, with one Extra-Low Dispersion (ED) glass element. I am using a 533MC on a Sky-Watcher GTI mount, but every time I tighten the screw for focus, it moves the adjuster and puts me out of focus. My plan was to use NINAs imaging tab to shoot 4s exposures to get focus reasonably good so that I could then tighten up the eafs grub screws and let the eaf take over focusing from there on in. 5x1 thread one side, male M54x1 thread the other. Due to the limited backfocus of 17. 25" Focusing equipment - posted in Refractors : Hey guys, im pretty much ready to pull the trigger on the SW Evostar 72ed; Then i remembered it only accepts 2 diagonals, and only has 35mm of backfocus, and now were here. Not sure why the OPs scope is requiring more out-focus when using a 2 diagonal. Imagers should wait a bit, the jury is still out on the objective. Need help finishing order - Skywatcher 72ED - posted in Refractors : Ive decided to buy a small refractor before taxes will be applied on orders from England(I live in Denmark) and Ive admired the Skywatcher Evostar 72ED DS-Pro for a long time Astrophotography > Optical accessories > Flatteners, Correctors, Reducers > Skywatcher > Skywatcher Flattener 0. The SkyWatcher field flattener and reducer for the Evostar 72ED transforms your telescope into an astrograph perfect for widefield imaging. Iām using it with an OVL field flattener and a Nikon D5600 and getting horribly stretched stars in the edges and corners, but the amount of aberration in each part of the image seems to change all the time, which is I am a proud owner of the lovely Skywatcher 72ED a fine scope . If you're using your dslr you can't fit a rotator anyway as the Tring and camera take up the whole 55mm backfocus if that's the spec of the flattener. Fern Pearson. . 85 field flattener and reducer. 79x reducer/flattener works with a 65mm backfocus. For several months, I have been the owner of my first ever telescope - the Sky-Watcher Evostar 72ED. But the Evoguide is also one of . alacant. 85x to enable imaging at f4. I believe they now make a dedicated one for the 72ED so that would be the one to get as unless you find an 80ED one with an adapter it wonāt fit. 85x EvoStar 72 ED Product no. Each air-to-glass objective lens surface has exotic anti-reflection metallic coatings applied, to ensure optimum light throughput of approaching 99. So traded again, because the secret glass really improves the visual night polluted sky in my backyard by making it black. Maybe thatās why recently somebody was reporting issues reaching focus but Iāve had none. Sky-Watcher. This morning I noted that the 2 tube which is operated by the focuser mechanism is loose and can easily be pulled in and Your M48 DSLR adapter should go right after the reducer and that will give you 54-55mm backfocus distance. but back focus is a big problem. : 57361 ZWO EAF on a Skywatcher 72 ED - posted in Equipment (No astrophotography): Has anyone installed a ZWO EAF onto a Skywatcher 72 ED? I tried it and the bracket did not fit. This is 55mm for the skywatcher, not sure for the OVL. I am leaning towards the William Optics 73mm Zenithstar w/FPL-53 glass ED element, Gold anodizing SkyWatcher Evostar 72ED Refractor Telescope. Image Unavailable. I use a field flattener with a t ring to connect my dslr to my telescope. Sign up for the latest Skywatcher news and product announcements. 6mm) buy a First Light Optics - Suppliers of Astronomy telescopes, binoculars and accessories from Skywatcher, Celestron, Meade, William Optics, Atik, Imaging Source, Starlight Xpress, ADM, Moonlite, Catseye, Hutech and AT70ED, AT72EDII, Or Sky-Watcher Evostar 72ED? - posted in Refractors : Ok, between these three scopes, which would you recommend as being the best for my particular needs? Im looking for a lightweight G&G for strictly visual use, primarily of double stars, clusters, and brighter Messier objects. Different prisms have different focal planes. I have been looking for a beginner astrophotography telescope for a few months (as an upgrade from a Rokinon 135mm F/2 telephoto lens to a longer focal length), and when The Evostar 72ED comes in a foam-lined aluminum case with tube rings and a V-style dovetail plate. 3 Getting started Parts description 1. Skywatcher has taken the position of refusing to talk about the glass used in its latest scopes ( including the ED150). 25" adapters are self centering. 00 0. About this product. 25" TV Enhanced Aluminium has no focusing problems either. Suggestion- Re-tap the hole with a 4BA tap (approx 3. I however cannot focus on sta Sky-Watcher - The worlds largest telescope manufacturer. I was wondering if I needed spacers and any adapters to hook up the ASI485MC camera to the 72ED using the Sky-Watcher . Focal length becomes 376mm vs 360mm, not a huge deal. The whole package seems odd and the total cost is almost as much as Be the first to review āEVOSTAR 72ED REFRACTORā Cancel reply. Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended 55mm back focus Drops f/ratio from native f/5. If you own(ed) a 72ED which diagonals have you found that allow you to reach focus? Based on a few measurements I'd guess that I'm looking for https://www. Then there are 2 grub screws (with a weird size that none of Do I need a spacer to achieve back focus? - posted in Equipment (No astrophotography): Brand new (delivered today) Skywatcher 72ED. The crown glass element is made from premium-quality Schott glas. 85x Focal Reducer & Corrector for EvoStar 80ED which requires an additional adapter. Black Diamond ED Refractor. to/3HBdfknThe new Skywatcher Evostar 72ED focus assembly has a silky smooth 10:1 backlash free operation. the OVL FF screws into the canon T ring adapter then you can get a fair amount of back focus or if you are into engineering or know a good friend who can tap a T thread onto a 2 inch tube even better probably cost a pint or two in the pub. The Skywatcher Evostar 72ED is one of th The telescope is the Skywatcher 72ED with a weight of less than 2kg, 420mm focal length and 72mm apperture. Evostar 72ED & WO 71/72: £16. And you are thinking of 72ED, DSLR, Guide scope, counter weights. 93 Page 2 of 3 - Star Watcher 72ED back focus problem - posted in Refractors : Yes. Moreover, the 55 mm of back focus offered by the adapter makes Good evening everyone, its my first time here. The Evostar 72ED Rotator Adapter is an optical tube accessory to allow Evostar users to easily rotate their image train, add filters, and adapt Evo View full details $31. I have investigated a little bit, but not sure Sky-Watcher 72ed field flattener - posted in Refractors : Hi Team, I just ordered Sky-Watcher EvoStar 72 APO Doublet Refractor exclusively for astrophotography with either Canon DSLR or ZWO ASI294MC Pro. While I was out waiting for the Starlink 7 satellites to pass: I grabbed a couple of videos with my Nikon D3300 DSLR and my 2. Focal length = 360mm / f=5. Hi after purchasing a Skywatcher 72ed pro I heard nothing bad about these refractor scopes. With a non reducing flattener I got ~430mm. Edited by dk94041, 23 April 2023 - 01:23 PM. Recently I bought an Optolong L-Extreme filter, and a Rotator adapter, because that allowed me to apply the filter into the imaging rig. 420 for the 72ed, plus a bit more gain in aperture makes this an ideal travel scope. The 72ED will not have the ED100 type objective (being FPL-53). I don't think there is a big difference in weight. The brass compression ring firmly grips any accessory with a 2" nosepiece. 8 Page 2 of 3 - Skywatcher Evostar 72ED - posted in Refractors : Hey all, Thought Id ask this here to try and keep info about the SW72ED in one place, rather than starting another new thread. Indeed , a tad stingy in the backfocus area , and I'll have to get the corrector/flatter , but overall nice and compact and truly portable. Either the slots were too narrow for the screws or the slots were in the wrong place, etc. 5 powermate? - posted in Refractors : I want to buy a TV 2. For a while I used the SW Evostar 72ed with and without the dedicated SW Flattener, which work really well. - 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. I could not see any CA on it. 25 adapter, im definitely buying As mentioned earlier, the threads on the focuser drawtube are female 54mmx0. The accessory rail also doubles as a carry handle. 93 with the advantage of shortening the exposure time and extending the field of view. The desired rotation angle is easily fixed with the three knurled screws. 8 5. 85x focal reducer/flattener for the Sky-Watcher Evostar 72ED PRO refractor. 1 and the skywatcher 0. Was nice and sharp. 5mm need to test to see it this is better as was using 60mm before and still slight eggyness. So, What is backfocus and primer focus? Backfocus in the context of a flattener/corrector/reducer refers to the distance required from the last lens element to the camera sensor so it can provide proper correction and a flat field across the whole image. None of the Evostars have retractable dew shields so this goes along with that line. 00 TS 90mm F6. The trouble is , even with the supplied adapter and the correct T Ring for my Canon camera i still cannot achieve prime focus . I havent had a ton of time to use it this summer, but I can not get a good focus on it, either with the included diagonal/eyepiece or with the camera Skywatcher 62ED Evolux or 72ED Evostar - posted in Refractors : FLO has the 62ED Evolux and the 72ED Evostar at the same price, 329 Pounds or 410 USD. 25" barrel), a 25mm TS Planetary HR to a 5x Just a quick update on the 72ed, I can get focus using the 2" Diagonal with the Altair GPCAM and the GPCAM2130M, but my ASI224MC and the Skyris 618m cannot focus. Aluminum tube coated with glossy, black diamond metal-flake finish. 00 Meade 80 APO: £17. 00 Sky-Watcher 0. Page 1 of 3 - Skywatcher Evostar 72ED - posted in Refractors : Just wondering how owners of the above scope have found it? . The 0. I have my eye on this, in the past I have had this size by William Optics and also Stellarvue, Sky-Watcher Evostar 72ED APO 72mm f/5. Hesitate to order another one I own the 72ed and have gotten decent results with it. Ovl flattner was recommended for my scope by There is a skywatcher reducer/flattener, and also the OVL flattener. Skywatcher 72ED - posted in Refractors : Hello! Does the newer version of the 72ED have a screw on dew shield or a slip fit? too (as dewshield design of course wouldnāt affect backfocus), but perhaps . Hi Wise folks of Stargazers Lounge, So tonight I the odds of having a free evening and clear skies aligned and I thought to try my hand at a little astrophotography. If you are set on the aperture, I would strongly recommend the AT60ED - I consider the optics a notch better, but more importantly, the AT60ED has a massively superior focuser. First Light Optics - Suppliers of Astronomy telescopes, binoculars and accessories from Skywatcher, Celestron, Meade, William Optics, Atik, Imaging Source, Starlight Xpress, ADM, Moonlite, Catseye, Hutech and Sky-Watcher 0. - posted in Beginning Deep Sky Imaging: Hey everyone, Im trying to get the back focus right for my new scope. Looking Rasa Review and comparison to the Skywatcher 72ed I have recently purchased the Celestron Rowe-Ackermann Schmidt Astrograph (RASA) 8ā Scope. 5X barlow in my Evostar 72. With their dedicated flattener the aperture becomes F5. 85 focal reducer any good - posted in Beginning Deep Sky Imaging: hi all just wondered if anyone had any comments on this reducer on an ed80 ds pro and where does it sit in the scope /filter wheel/ccd Hi everyone, I got the Evostar 72Ed a while ago and haven't been using it much over my Rokinon 135 since the focus is hard to achieve. 85x reduction factor will convert the focal ratio of your Evostar 72ED from f/5. Have you tried it and did it work The all new Sky-Watcher Evolux ED series of doublet apochromatic refractors offer an update of the companyās classic Evostar series with key upgrades in the optics and mechanics. 93 would i be able to achive prime focus with SkyWatcher 72ED and canon 450D? Im going to buy a reducer/corrector for 72ED and a M48 t-ring. When assembled, the two parts may look as if there were only one piece. The optics in the AP 72/420 telescope use a doublet lens with one lens element made from a particularly low-refractive index ED glass. I finally tried my ebony 2" adapters as I had 5 off skywatcher 0. The 72ED is an apochromatic refractor. They have added a new SKU in their product lineup: #2956253 NEW 06/18 M54i x 0,75-ClickLock (Bresser / Omegon / Explore Scientific) I think I want to treat the little SkyWatcher to one of these. 8x reducer though. The telescope worked flawlessly combined with an EAF. Thanks, Dan. Just for some background, on the older models (apparently I have one), some 1. Has anyone tried the ZWO EAF - posted in Experienced Deep Sky Imaging: Im interested in the electronic focuser as a way for ASI Air to auto focus with fancy features like temperature compensation. Other attachments are a camera rotator, an extendable dew shield, a threaded system for reducers and flatteners and a medium format 2. I've just bought a Skywatcher 72ED to use as a grab and go, but having tested it in the day it looks like I'm going to run out of in focus at night using the 2" Baader Clicklock diagonal I already own. Be shure that you get it with threaded adapter for 72ED. I use the stock one from my skywatcher dob, and I find it too long. Perhaps someone with this setup could advise? On the plate of the focuser housing there are 6 hex screws, which I assume hold the focuser in place - see pic below. I have the older long tube version of the SW 72ed and had the ovl flattener which is basically the Stella mora one and use the One of Skywatcher unique product features is the 0. Doublet apochromatic optical design. This is an Astrophotography only scope and cannot hold eyepieces. Top quality glass is utilised for the Crown element. 53-degree field of v SW Evostar 72ED Focus Tube Loose - posted in Refractors : I have a SW Evostar 72ED refractor. Instruction manual for Quattro 200mm, both steel and carbon fiber tube. Achieving focus is different. 00 Takahashi FSQ 85: £17. I purchased it late last year in an effort to get in front of the price increases. Can someone please give me some advice on what extras Iāll need to buy so I can take pictures. 8 Guidescope to improve the precision of your autoguiding system, for wide-field astrophotography with small CCD imagers, or as an exceptional grab-and-go option for fast observation sessions. 95. 85x Focal Reducer/Flattener For 80/100/120/150ED DS-PRO. 77x Reducer/Flattener for EvoStar 150DX. To play both roles, the focal length of the lens is decreased by 15% to become 355mm. 87-degree field of view when used with a full frame camera 3. Will also fit other focusers with an M54 focuser draw tube. I'm trying to attach a ZWO EAF to my SkyWatcher 72ED but I can't figure out which holes the mounting screws should use. iris; ngc7023; skywatcher; 72ed; By alexbb October 8, 2018 I measured the focal distance with the 0. Posted December 26, 2021. They'll help deliver beautiful wide-field images of and are great options for astrophotography. Ive used this primarily for photography, and now Im selling it and moving on to bigger and better things. choices. Uses the old 100mm OTA) and finally the SkyWatcher 72ED Evostar (not sure if it is FPL-53 or something else?). Use the Sky-Watcher Evostar ED APO 72mm f/5. Product description; FAQ: The Sky-Watcher Reducer/Corrector Adapter allows you to mount a 0. Each glass-air surface in the optics is provided with a metallic anti-reflection coating for achieving an outstanding maximum light transmission of 99. The glass used in this 72 ED Evostar is different from the other glass used in Overall, the Evostar 72ED DS-Pro was a satisfying, lightweight scope to use. It has a fixed dew shield, but it can be removed. PUTTING YOU AT THE CENTER OF OUR UNIVERSE Best Field Flattener for Evostar 72ED? - posted in Beginning Deep Sky Imaging: Im trying to add a field flattener to my Evostar 72 ED. The allure of the cosmos captivates Fern, with its endless wonders and celestial majesty. I also have an OVL field flattener and 2 inch adapter for my DSLR. 85x Reducer/Flattener. If you remove the diagonal, the optical tube becomes too short to focus unless Skywatcher has FF/FR for Evostar 80ED which is also good for 72ED. Thereās a Sky-Watcher - The worlds largest telescope manufacturer. Don't know if it has better glass. 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 reducer/flattener, etc. Male M54. As a guide scope it excels and you dont need any flatteners or filters. And this CF70 is 2. Ideal for visua Page 3 of 3 - Skywatcher Evostar 72ED - posted in Refractors : Yes, clearly different models. Their products are known for their precision, durability, and affordability. astroshocB&utm_content= But, I heard from an astroyoutuber that this kind of reducer/flattener do not allows the use of filters anymore, so Ive to choose if I want Skywatcher Evostar 72ed Apo Doublet Refractor Telescope Tiago. 00 Esprit 100 ED Triplet: £17. Members; 6,683 6,466 Location: Alicante; Posted December 26, 2021. Step 1: Make sure your scope is secure! Things could have been so easy but unfortunately, the Skywatcherās focus axle is either too long or too short, pick your choice: in order to fasten the telescope-side screw, it needs to either sit outside the focuser I have a lot of trouble with the back focus of my skywatcher 72ed together with my Nikon d5600. I have used the AZ-GTi in EQ mod with up to a Borg 90FL and it One of the biggest parts to astrophotography is the back focus. 00 SkyWatcher Skymax 127 Unable to achieve focus - posted in Cats & Casses: Hello all, A question regarding my SkyWatcher Skymax 127. The farther reach of the 82d, 530 vs. I have heard of the EQM-35. Compare Prices at: Amazon High Point Scientific. 93 (355mm) Reduces exposure time by 38% compared to native f/5. 72mm aperture, 420mm focal length, f/5. Once installed, the reducer/corrector will shorten the focal length and speed up the Description. Add to Cart. I checked everything in the imaging train with my 294MC pro, spacers and field flattener where all screwed in perfectly into the focus draw tube but there seemed to be a little play in the tube and when rotating the focuser there was a slight wobble (is this flexiture?) on the Still struggling with Back Focus issues. The Skywatcher high-end Evostar 72ED Apo refractor holds a doublet objective with one lens made from particularly low dispersion glas. I loved my Skywatcher 72ED. Iris nebula with Skywatcher 72ED Facebook; Twitter; Youtube; Iris nebula with Skywatcher 72ED. I have been an armature astronomer who has been observing and photographing for 40+ years. 77x Reducer/Flattener for EvoStar 150DX 34mm fully illuminated field, compatible First of all! The light path of the skywatcher evostar ed72 is very short, which means you need a short 2" to 1,25" adapter. Traded it in for the Skywatcher 80ed, 600mm, and, frankly, missed that special glass. With some people having issues with focusing some eyepiece lengths I wondering if Ill have issues with a powermate coming to focus with my new Skywatcher 72ED scope. 00: Rother Valley Optics T Mounts £15. I could not get my binoviewer Admittingly I was apprehensive initially in buying this scope as the scope was close to my 72ED. firstlightoptics. Ive got a Nexstar 4SE for the moon and planets and have used a cheap Meade 80 Adventure Scope with my DSLR for prime focal shots of Andromeda, Sky-Watcher - The worlds largest telescope manufacturer. Convenient knurled grip for easy fitting and removal. 25" eyepieces would not come The Sky-Watcher Evostar 72 mm APO Refractor is a precision-crafted telescope for astrophotography and visual observation. Iāll only be using it for astrophotography. The Sky-Watcher Evostar 72ED is a great choice for beginners in astrophotography. 8, which is not bad given it's magnifying capabilities. Vanguard. The 72ED scope was originally designed to work with a 2" 90 Degree Diagonal and an eyepiece. I've read a few articles about the Eviguide mak Will SW 72 ED achieve focus with 2. 9x50 erect-image 90° finder scope 3. edit: Some extra info on the telescope: focal length 242mm 50mm aperture F4. Really please with the scope, here is a quick I have a lot of trouble with the back focus of my skywatcher 72ed together with my Nikon d5600. 5mm, the Skywatcher flattener is only suitable for dedicated Astro cameras. The problem I have is that I can't wind the focuser in far enough to o Page 1 of 2 - Evo 72ED . Ī ĻĪ»ĪµĪÆĻĪ±Ī¹ ĻĪ·Ī»ĪµĻĪŗĻĻĪ¹Īæ Skywatcher 72ED Ī¼Īµ field flattener ĪŗĪ±Ī¹ 2 Ī“Ī±ĪŗĻĻ Ī»ĪÆĪæĻ Ļ Ī³Ī¹Ī± back focus. As I read various forums it seems I need to buy a field flattener for it. 8 with optional dedicated reducer/flattener for wider field of view Sky-Watcher 0. Would that be worth it for any Skywatcher 72ED Focuser Issue - posted in Refractors : I bought a 72ED this summer with the Skywatcher 0. There is a skywatcher reducer/flattener, and also the OVL flattener. 00 Evostar 80 ED: £17. 8mm backfocus distance from a technical drawing from William Optics, the sensor to front face distance i found from a technical drawing from zwo, adding a filter Evostar 72ed + evoframe + flattener - back focus confusion - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: Hi everyone. 75 Vs 54mmx1 for the standard SkyWatcher Crayford focuser. 9x thread-on reducer/corrector produces a flat field across the entire image Looking for Recommendations-Orion ED80 vs Sky-Watcher 72ED - posted in Beginning Deep Sky Imaging: Looking to buy a modestly priced APO doublet for hobby level astrophotography and grab and go. Designed for serious astro-photographers. The reducer/flattener for the 80ed says 55mm for BF so Im assuming thats what it should be for the 72ed reducer. 5%! The SkyWatcher Evostar series are are beautiful doublet apochromatic apochromatic refractors. I have the Sky-Watcher 72ed with the . blinky. At the time it was the only one available from Sky-Watcher and they supplied an adapter to match the thread for the 72ED. 00 Esprit 80 ED Triplet: £17. Practical things out of the way! The clouds only allowed for a test on the moon, pleiades and some MW-scanning. My first telescope was a Televue Genesis fluorite refractor on a Although Skywatchers dedicated flattener is the cheapest of the two, it is not suitable for a DSLR. Related Products; Related Products Related Products. com/reducersflatteners/ovl-field-flattener/ref/simpastroQuick update with an introduction to the OVL field flattener which is su Hi, Iām thinking about getting the skywatcher 72ED for my first scope. A great astrophotography scope for your DSLR. Im really confused how the Skywatcher Evoframe Rotator affects back focus of my Evostar 72ed. 95kg without corrector so add another 260gr. The Evostar 72ED comes in a foam-lined aluminum case with tube rings and a V-style dovetail plate. You also need a rotator which adds a few grams. My previous 72ed scopes match the one in the video. You can then insert additional M48 extension tubes if you find the corners are still not flat (stars flying outwards). 8 focal ratio. Sky-Watcher 0. All is connected to an unmodified full-frame Nikon D750 mounted on a TS state that their 72ED with the 0. I understand that the camera rotator screws on the scope drawtube, and the field flattener screws on Apochromatic Refractors offer the best solution for smaller instruments, due to their unobstructed clear aperture, text-book like diffraction patterns, they will produce the sharpest, highest quality optical images available, aperture for Astro Essentials M48 adapter for Sky-Watcher Newtonians and 72ED Refractor (M54) with 10mm Backfocus £29. High quality Schott glass is used for the crown glass element. SkyWatcher Camera Rotation Adapter for Evostar 72ED Refractor. It is nice to hear that Skywatcher fixed the backfocus issue when using a 2" diagonal. Quick view. Includes thread-on adapter to mount reducer to Evostar 72ED focuser; View All Close. 85x Focal Reducer/Flattener is an indispensable dual-purpose accessory that allows you to use it for astrophotography and astroimaging. Version: QT200-F-140618V1-EN The Sky-Watcher Evolux 82ED refractor is a high-quality telescope designed for amateur astronomers. It also seems that where the bracket attaches to the focuser body the available holes to mount a EVOSTAR 72ED. 2-inch dual-speed Crayford-style focuser. This remarkable Hi. Take for example this one, it weighs 1. Effectively reduces the telescopeās focal length by a factor of 0. I was using this TV in the 72ED a couple of nights ago, everything from a 36mm Baader Aspheric (1. Sky-Watcher - The worlds largest telescope manufacturer. A focal ratio of f5. But I wanted something smaller to manage and of course cosmetically better, as I want to go down the route of having more of a portable mount in the future. 85 flattener reducer and filters - posted in Beginning Deep Sky Imaging: Hi to eo, I just bought an EVO 72ED and I was thinking about buying the skywtcher flattener/reducer: https://www. 00 Equinox 80: £17. 85X achieved with the SkyWatcher ESPRIT 80 Field flattener which is designed- exclusively for this telescope. I understand that the focus problems are especially around the corners. Back to top #5 Toddeo Toddeo. I'm using a Canon 1000d field flattener and Skywatcher 72ed. I am using an astro-modified Canon eos 600d. I know the large sensor of the DSLR and "short" focal length of Within another thread there is prolonged discussion regarding the sub quality 'screws' as supplied by many of the Asian manufacturers @badhex started it. Sky-Watcher EvoStar 72ED refractor telescope will further enhance the field of astrophotography with the help of 85x reducer/flattener lens to make it the best that it can be. Lost on the reference to guide scope and eyepieces, a guide scope uses a camera. 8kg with the corrector. 00 StellaMira 90 & Megrez 90: £17. They are now pitching the ED150 as a purely visual scope, and early reviews report CA visually. On 17/03/2024 at 21:42, AstroAlex26 said: The EvoGuide 50DX Apo Guide Scope Astrograph takes Sky-Watcher's doublet design and packages it in a lightweight guide scope. The Evostar 72ED will be the small new comer to the Evostar ED line. It Skywatcher Evostar 72ED Astrophotography Review Skywatcher is a brand that has built its reputation on producing high-quality telescopes that are designed for amateur and professional astronomers alike. If they are elongated the direction or pattern is what indicates if you need more or less backspace between the reducer and the sensor. I plan on getting the software as outlined in the video. Evostar 72ED - Thoughts - posted in Refractors : Ive had this telescope for approximately 6 months. Each model is optimised for the corresponding model in the Sky-Watcher Evostar-ED DS-Pro range. This handy accessory screws directly into the focuser draw tube of the 72ED on one end and the 72ED reducer/flattener on the other. Two-element, air-spaced optical assembly minimizes false color. ) SkyWatcher Esprit 80mm - back focus - possible confusion - posted in Refractors : I have recently gone through a rather intense period of confusion over what the correct back focus is for my lovely SkyWatcher Esprit The Evostar 72ED is nice. My 1. Hi Avescio, I have had experiences with the SkyWatcher 72ED, which has more or less the same build quality as the 62. 00 2 year warranty. 8 x 3. The evolux is a new series and has a retractable dew shield. I was using the skywatcher 2" 28mm let Eyepiece. 8 Doublet APO Refractor OTA & Case £322. Sky-Watcher Global Iāve just acquired a Skywatcher 190MN (Maksutov-Newtonian) and I canāt figure out how I attach my ZWO ASI533 camera. With the OVL I had the backfocus at ~57mm and with the SW one it was at ~60mm. 00 FLT 98: £17. 8 for the 62ed. Its apochromatic optics ensure detailed true-color images by minimizing chromatic aberration. Iāve got the spacers for the 55mm backfocus on the camera but coming from a refractor (Skywatcher 72ED), Iām not sure how to attach the camera. I already have a scope at 80mm so I am leaning towards the 62ED for the better glass and focuser. My camera is Nikon D3500. Model: sw_evostar_72ed Part Number: 10201. As I understand it, changes were made by SW to address back focus issues with the previous models. Matt-black anodising to reduce reflections. 8 refractor guidescope, the Sky-Watcher 0. Screws directly to the M54 thread on the Sky-Watcher Newtonian or 72ED refractor focuser drawtube to enable the use of M42 / T-fitting accessories. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. faljbktpniddqwtezkbvvfyslvlevynzzcxyfxmtkopzmiu