William optics flat 73 Sale price $258. William Optics Flat 73R flattener / reducer 0. 9 apochromatic refractor features an air-spaced multicoated doublet objective lens and the premium mechanics and finish that’s typical of William Optics scopes. Astrophotography > Optical accessories > Flatteners, Correctors, Reducers > William Optics > William Optics Flattener Flat73A for ZenithStar 73 Product no. 00 The brand new Fluorostar 120 APO by William Optics meets the demands of the modern astrophotographer with high quality glass, 3. Add to cart. Books and DVDs. 8mm to get the required 55mm Looking back through my settings for the William Optics ZS73 and the ZWO ASI183MC Pro OSC Without flattener but with a 47mm extension tube (the camera 55mm tubes [nose] is inside the 47mm extension tube). The APO triplet optics of the Flat6AIII are made with Ohara glass William Optics ZenithStar 73mm APO – Purchased from First Light Optics, Exeter, UK. With my mk1 once i'd removed the focus knob i also removed the silver section then the bracket lay flat no need for washers. For a DSLR with a standard 55mm spacing between the front of the T adapter and the image plane you would unscrew the adjustable piece shown below until the left edge is at 11. All in very good condition (as you can see from the pictures). مولد حقل مسطح (Flat Field Generator) Possible focuser issue on William Optics Scope - posted in Refractors : I am having a possible issue with the focuser on the William Optics Z81. 9 APO (NEW) HK$4,990. William Optics Field Flattener 6A2. While you image, the flap panel is Marc Agostini: Hi there,Not sure about these exact scopes, but I am using an TS-Optics Photoline F/6 which bears remarkable optical similarity to the zenithstar 73 II, albeit it's listed as a 72/432 rather than a 73/430. Ultra Flat 91 (0. Requires an M48 threaded T-ring if using a DSLR camera. Price: Sale price $309 CAD / ZWO, William Optics, iOptron, Optolong, Pegasus Astro, Baader Planetarium, Svbony, Explore Scientific and many more. 4" and 0. Richard O: hi all, i am having a bit of trouble finding an answer to this question. CAT series; Pleiades series; Gran Turismo series; Zenithstar series; Ultra Flat 132 (0. I also go over basic set ups with a dedicated astrocam DSLR This William Optics 2" Field Flattener & Reducer has been designed to optimize the flat-field imaging performance of William Optics GT71, GT81, Z81 & Z103 refractors. My question is that is that measurement for the scope, or for dslr?. 5. 0x) FLAT 73A (1. It reduces the focal length by 0. New Adjustable Dedicated Flattener for William Optics ZS61. Explore. (Learn more about back focus. 00 William Optics 0. i have the wo z73 as well as the adjustable flattener for it. 8mm for a camera with 17. The optional WO T- mount (or This revolutionary new William Optics Adjustable Flattener 68III is made for refractor of focal ratio f/6 – f/7. William Optics William Optics RedCat 91 WIFD - posted in Refractors : The William Optics Cat 91 WIFD telescope has an amazingly flat field, as shown in the attached spot diagrams. Guider. Home ; Forum . The adjustment ring allows for precise adjustment to get the correct spacing. William Optics Gran Turismo 81 天文望遠鏡(紅色)《預訂款 無現貨》 NT$49,700 NT$39,800 These Adjustable Flatteners are made for use with the ZenithStar 61 or ZenithStar 73 telescope. This little scope is an William Optics Ultra Flat 91 0. Zenithstar 73 III APO; The William Optics Zenithstar 73 APO. Telescope. tsai. 79x) To address the optical path shift caused by temperature variations during imaging, William Optics has designed most of our flatteners with an adjustable back focus mechanism. When I am having a devil of a time trying to get my field totally flat. Description In the box Software / Documents Reviews (0) Making flats can be quite cumbersome, especially if you stride towards automation and simplification of the process. The flattener, also called a field flattener, William Optics ZenithStar 73 Field Flattener with Adjustable Backfocus. Features an M63 male thread for a direct threaded The William Optics Flat73A is an apochromatic 1x field flattener for the Zenithstar 73. So the ZS61 will be slightly better for smaller objects. The DAD flap panel makes making flat frames a lot easier. I am dismayed to find that there is no internal M48 thread for filters within the body of the flattener . Nu met 0. 75; FLAT GT 1. TALK TO AN EXPERT : 919833974700. It is adjustable so you can set the right spacing that you need for your camera without the need for extension tubes. : 59396 Flattener Flat73A for ZenithStar 73 $ 213. Featuring ultra-smooth fine focus control and high load-bearing capacity, it ensures precise and reliable focusing. 5 ratio Easily adapt your FLAT 6AIII to any 2" telescope focuser, Skip to content. Marketplace . On the camera side, the flattener has a male Unboxing video of the William Optics Zenithstar 73 telescopealso how to fit the field flattener 73. Dual element design with FPL53 glassMassive 2. New Back ASI294MC + ZenithStar 73 + Flat73R -- getting back focus right? - posted in Beginning Deep Sky Imaging: Hello! Was wondering if I could get some help with figuring out the proper connections for this particular combination of items. Marc Agostini: Hi there,Not sure about these exact scopes, but I am using an TS-Optics Photoline F/6 which bears remarkable optical similarity to the zenithstar 73 II, albeit it's listed as a 72/432 rather than a 73/430. • All internal surfaces threaded and I've just received the WO Flat73A Adjustable Flattener for my WO ZenithStar 73 APO. . The 43mm image circle makes it a perfect match for full-frame sensors. The optics are clean in both the flattener and scope. 75; Brand new William Optics GuideStar 61 F/5. Put the EAF body on and lock the two inner screws. 75 Eliminates field curvature, providing sharp, flat-field images without requiring Brand new adjustable field flattener for the William Optics Zenithstar 73 OTA. When New, dedicated 2" flattener by William Optics optimized for use with their Z73 Zenithstar OTA. since i am using a zwo 183mm. Photographic Accessories. True 1:1 flattener with no reduction. 9 APO (Free Soft Carrying Bag) William Optics Zenithstar 61 f/5. The William Optics Zenithstar 73 f/5. An Adjustable Flat73A Flattener for your Z73 ED APO Telescope. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7. • Adjustable design, for perfect back focus it can be used with other models of refractor • 48mm filter ready. When paired with a William Optics William Optics GT71 vs ZS73, which one? - posted in Refractors : Im looking at a few different telescopes, and trying to make some sense of the analysis numbers for each one. might still have rolled off a very simillar assembly line. Be the first to hear about our promotions, new products and more. This very elegant 2" reducer/field flattener has been designed to optimize The William Optics Dr. This sale does NOT include the storage/carrying bag (sorry, I seem to have misplaced it during my recent move), but it does include all the caps, rings, dovetail, etc that you New, dedicated 2" flattener by William Optics optimized for use with their Z73 full-frame APO telescope. I am aware that you do need a field Step up your astrophotography game with the William Optics RedCat 91, an advanced apochromatic refractor tailored for full-frame and medium-format cameras. 9 APO (Free Soft Carrying Bag) HK$5,980. That is added to the Deep Sky Dad Flat Panel for William Optics GT81 Telescope. Dura William Optics | New Adjustable Flat73A for Z73. 75; the William Optics Fluorostar 156 APO stands as a superior choice for dedicated astronomers. Im am very content wit this scope, but being a triplet the GT71 should be a tiny bit better optically. Making flats can be cumbersome, especially if not part of an automated routine. 8x Reducer with built in rotator. 8x Adjustable Reducer Flattener HK$1,780. Using this adjustable field flattener makes astrophotography with the William Optics 73 mm ZenithStar APO Refractor even better. 00 USD ⛟ Free Shipping. Category: Telescope. 0x) FLAT 73R (0. This accessory corrects field curvature, ensuring sharp, well-defined stars across Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. William Optics I’m selling my William Optics ZenithStar 73 (ZS73) refractor telescope along with the Flat 73A Field Flattener. 2mm on the scale. 2019 All New William Optics Zenithstar 73 APO. 75 UniGuide Guidescope with Slide-Base - Available in 4 Colors Our Need help with ZenithStar 61 / Flat 61R spacing - posted in Beginning Deep Sky Imaging: I recently purchased a ZenithStar 61 with this Flat 61R, adjustable flattener/reducer and have no idea how far this requires The optics are very clean - only a minor amount of dust in between the front 2 elements, which are easily handled by flat frames. I noticed that analysis numbers for the Zenithstar 73 doublet were nearly all lower in the aberration list than the Gran Turismo 71 triplet. This accessory corrects field curvature, ensuring sharp, well-defined stars across William Optics Binokular William Optics Flat GT. 00 2 year warranty. I have used the WO 1. William Optics Zenithstar 73 III APO Refractor OTA £629. " 2021 NEW Release: William Optics Zenithstar 73-III f/5. Recommended distance for the ZS73 is 11. Decrease quantity Decrease quantity. 3 In Stock ₹ 74,550 ₹ 71,760 (Inc. The Flat73A features adjustable spacing for use with a range of cameras and William Optics Z73 w/ Flat73A Diffraction Spike - Pinched Optics? - posted in Refractors : As the temperatures have started to drop I have started noticing this diffraction spike showing up on bright stars in images taken with New Adjustable Dedicated Flattener 73A for William Optics ZS73Optically-matched 1:1 Flattener for ZS73 APOSuitable for use with full frame sensors. To test the flatness of its field, we shot five 10-second full-frame monochrome exposures each of L, R, G, and B of a rich star field near Albireo (including Albireo in the upper right corner) in a dark moonless sky (before the moon rose) on Nov. I think the non adjustable version has an William Optics Camera adaptor M48 compatible with Canon EOS. Share: 30 days easy returns; Order yours before 2. now i am using a zwo asi183mm pro with the william optics z73 with flat 73r and a filter wheel. Second Hand William Optics Zenithstar 73 II With Pegasus Focus Cube 73mm APO using FPL-53 Glass F/5. i am unsure where to place the adjustment on the flattener. $ 174,00. William Optics Unveil the mysteries of the night sky with the William Optics Gran Turismo 81 WIFD, a superb refractor telescope designed for discerning astronomers who demand high-quality optics and robust build quality. 8x, nieuw model voor de ZenithStar 73 telescoop van William Optics. 00 USD. 75; The NEW William Optics Zenithstar 73 APO III features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. This William Optics 2" Field Flattener & Reducer has been designed to optimize the flat-field imaging performance of William Optics GT71, GT81, Z81 & Z103 refractors. 75; Ultra Flat 91 (0. UniGuide 32mm f/3. 75; WILLIAM OPTICS Navigation menu. 00 Add to Basket. You can use your Canon or Nikon DSLR directly with the use of an optional M48 camera-specific The William Optics Flat 73 for the Zenith Star 73 Doublet. William Optics Transportväska ZS81/GT81/GTF81. 0; Guiding Scope 50mm f/4. CAT series; Pleiades series; Gran Turismo series; Zenithstar series; Guider series; RC Telescope; Scope Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO William Optics Flat6A III 0. Flat Master is an apochromatic triplet reducer/flattener designed for 12" - 16" WO and GSO Ritchey-Chrétien telescopes. Deep WILLIAM OPTICS Navigation menu. 9 Field Flattener lens provides a flat focal plane across a 26mm image circle to produce tack sharp stars to the edge of Explore the universe with precision-crafted optics from William Optics. They provide a flat field, an image circle of 43mm, for those who wish to participate in astrophotography. Next. March 2019. William Optics Flat73 is an equipment item of class Accessory on AstroBin equipment database. 0x) (0. Product Manual. leveransklar om 3-5 veckor. $ 173. If you’ve ever fought with balancing a large reflector telescope on a mount, you’ll really appreciate a compact telescope like the WILLIAM OPTICS Navigation menu. The The spacing of 66. UniGuide 32mm f The FLT132 from William Optics is not just a tool for viewing the stars—it's an invitation to unlock the mysteries of the night sky Brand new William Optics GuideStar 61 F/5. Free US Shipping. 8 mm, per William Optics. That being said either are (presumably) great. 4" Extender Sale price $41. 8x Reducer Flattener Flat7A HK$5,200. William Optics Camera adaptor M48 compatible with Canon EOS. The only one that appears to be a higher aberration value William Optics Corp. It features a 45mm image circle for use with sensors as large as full frame, while also retaining your ZenithStar's native focal length! On the back, The William Optics Zenithstar 61 is a doublet apochromatic refractor telescope that excels in deep-sky DSLR astrophotography. $ 62. The scope and flattener is in excellent condition with minimal signs of use. This field flattener/reducer is for use with the William Optics Zenithstar 73 OTA. $ 920. Yes, it is compatible. Free shipping to CONUS. it says in the specs that the back adjust for the flattener is 11. 30pm for same day dispatch; Now Easy EMI available on astronomy products in india I've just purchased a William Optics 73 APO and Flat 73A flattener. Previous. The M63 The William Optics FLAT73A Adjustable Flattener is designed for the Zenithstar 73 and will produce images with pinpoint stars to the edge of the field. This is a brand new 2019 item which is now in stock at Rother Valley Optics. 40 KGS Availability: Accepting order now! Shipping: Calculated at checkout : Quantity: Share. Features an M63 male thread for a direct threaded Brand new 0. 8x) FLAT 68III (1. William Optics Flat73 for Z73 (Power x 1:1) Adjustable. tax) 4% Off. 19 in a Bortle 4 zone, with RMS guiding between 0. I have written step-by-step instructions on how to attach the EAF to a William Optics Star71, complete with photos. Featuring top-notch Ohara FPL-53 ED glass, this telescope delivers clear, high-contrast images with minimal color The William Optics Flat 6AIII adjustable field flattener/0. 3" heavy duty focuser with rotator and bahtinov mask. Comes complete with integrated rotator and 2" filter holder. BEST FOR: - Visual observation of deep sky and lunar/planetary (at longer focal lengths and larger apertures) some WILLIAM OPTICS Navigation menu. 8x Reducer was made for 500-1000mm refractors. 00 William Optics Flat61R Reducer Flattener with Rotator HK$2,280. This 90° 2"mirror-type star diagonal has a Dura-Bright 12mm thick mirror and dielectric mirror coatings for 99% reflectivity which provides higher contrast and resolution during critical planetary, lunar and binary star observations. The Z61 is the most portable telescope ever made by William Optics, a company with a The William Optics ZenithStar 73 III is a premium 73mm APO refractor featuring FPL-53 optical glass and an f/5. The Flat73A features adjustable spacing for use with a range of cameras and New, dedicated 2" flattener by William Optics optimized for use with their Z73 full-frame APO telescope. 75; The William Optics ZenithStar 73 is an extremely well crafted and compact refractor, an ideal instrument for wide-field deep-sky imaging with DSLRs or dedicated astronomy cameras with APS-C and full-frame sensors. Designed for both astrophotography and wildlife photography, high power Explore the Skies with William Optics ZenithStar 73 APO III Step into a world of precision astronomy with the William Optics ZenithStar 73 APO III, the ultimate tool for avid sky watchers and astrophotographers. Browse our website and give us a call at (289) 428-1334 with any questions! The William Optics UltraCat108 is a cutting-edge 108mm apochromatic refractor designed for astrophotographers who demand top-tier performance. 8x reducer factor. i William Optics Zenithstar 73 (FP2) quantity. 2mm from the flat rear end of the flattener to the image plane is when the adjustable section is set to zero. For normal use W. Both items are in excellent used condition, well-maintained, and free from any damage, scratches, or issues with optics. One thing you can do is go onto Astrobin and search by equipment to see the types of shots people have got with both. Go to item 1 Go to item 2 Go to item 3. Focus is achieved at 54mm focus extension. $ 51. give the spacing distance on the flattener William Optics January Sale 2025. 00 This William Optics Flat61 Field Flattener is specifically made for the Zenithstar 61 telescopes. VAT plus shipping costs. 9 APO (with Mask Cover) William Optics Zenithstar 61-II f/5. This model includes red anodized accents. 9 APO. 75; 2" Push-In Nosepiece → M63 Adapter for FLAT 6AIII Sale price $44. William Optics Ultra Flat 132 0. 75; Deep Sky Dad Flat Field Panel for William Optics Zenithstar 73 £286. Advanced search Equipment Constellations . When you add an optional field flattener, the resulting large image The William Optics Flat73A is an apochromatic 1x field flattener for the Zenithstar 73. Attaching the ASI 294 MC Pro one shot colour CMOS camera to the William Optics adjustable field flattener 6A2 is simple using the two extension rings as supplied by ASI. 00 Be the first to receive our members only promotions and new product releases Name Is the eaf compatible with the zenithstar 73? Thanks, katherine. 79x Reducer) Sale price $898. it said to adjust the ring back 1. Deep Sky Dad Flat Field Panel for William Optics Zenithstar 73. 8x) FLAT 6AIII (0. Share. What you see is what you get. The WO ZS 73 APO OTA with two finder scope rings (attached – but removable) I'm pleased as that amount of Unleash your passion for the cosmos with the compact and powerful William Optics ZenithStar 61 II APO Refractor. William Optics 50mm Slide-base Uniguide We captured first light on our William Optics Cat 91 WIFD. CAT series; Pleiades series; Gran Turismo series; Zenithstar series; Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. WILLIAM OPTICS Navigation menu. 0x FLAT 6AIII 0. Discover an unparalleled range of Refractor telescopes, binoculars, digital camera adapter lenses, eyepieces, diagonals, and accessories designed for enthusiasts and Dedicated 2" flattener by William Optics optimized for use with their Z73 full-frame Apo telescope. 8x Camera • Produced entirely with the best Ohara optical glasses. With flattener and camera complete with 55mm tubes screwed directly to the flattener. CAT series; Pleiades series; Gran Turismo series; Zenithstar series; FLAT 8 (0. 79x Reducer for Fluorostar 91 # P-FLAT-91 . 4mm. Superb Finish • William Optics polished anodized finish. The lens has no scratches just dust spots that can carefully clean. WILLIAM OPTICS ZENITHSTAR 73 III APO. 0x Adjustable Flattener. If I understand right the William Optics ZS73 + Flat73R is setup to support a distance of 55-ish mm from the back of the flattener to William Optics Zenithstar Z73 w/ 73R Reducer/Flattener - posted in Refractors : Hey all, Ive been using a William Optics Zenithstar 73 for about a year now, and am having issues getting the back-focus dialed in. UniGuide. Featuring high quality glass in a Petzval design for a flat field edge to edge, plus the brand new internal focusing mechanism. Brand: William Optics. William Optics 32mm f/3. 00* WILLIAM OPTICS Navigation menu. 75; UniGuide 50mm f/4. William Optics 50mm Slide-base Uniguide William Optics Zenithstar 73 field flattener - posted in Refractors : Hey everyone, Im looking for my first small wide field refractor telescope and was meant to be looking for something a bit cheaper but I have absolutely fallen in love with the Zenithstar and from what I hear people have very good things to say about it. Lens Type 2 Groups 2 Elements Length Flattener 39. Flat Field Panels. You can use your Canon or Nikon DSLR directly with the use of an optional M48 camera-specific A lot of people are unsure if you should buy the Zenithstar 73 from William Optics as you need the Field Flattener to get good pictures. William Optics Zenithstar 73 is a greatly versatile and portable refractor telescope for beginners and veterans alike. £286. Using high-quality optics, chromatic aberrations are effectively minimized, so you get clear, high-contrast, true-color images. Find the flat side on the shaft and turn it to face the hole. 25" RotoLock Visual Back William Optics Zenithstar 73 III APO William Optics Handle/Guide Scope Holder Flat 73 Field Flattener + Rotator Original Case DIY Autofocuser (Images attached) Asking £700 £650 without autofocuser Everything in pristine condition. Compare Add Wishlist SKU: WO-A-Z73IIIRD. give the spacing distance on the flattener WILLIAM OPTICS Navigation menu. Explore . 75; Specifically designed for short-flange dedicated astro imaging cameras, the William Optics ZenithStar 73mm f/4. SKU: WO-Flat73A Shipping Weight: 0. The Redcat is better for widefield shots, because of it's faster optics and wider fov. Pairs well with. 00 ZS73 Flap Panel with Heater: £343. This flattener contains a 63 mm New, dedicated 2" flattener by William Optics optimized for use with their Z73 Zenithstar OTA. 9 doublet objective. It’s incredibly compact and manageable to use. 2" → 1. The Flat61 threads onto the M54 Thread on Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. $ 53. Integrated camera rotator. 00 Deep Sky Dad Flat Panel for William Optics GT71 Telescope. 🚚 Enjoy FREE SHIPPING on orders over $498. Smartphone Adapters. 30pm for same day dispatch; Now Easy EMI Brand new 0. Ultra Flat 156 (0. 75; Beyond the earth: WILLIAM OPTICS Astrophotography Contest Ultra Flat 156 (0. 75 x 4 mm The flattener is a lens that evens out the field, as this is slightly curved by the primary optics. Z-73 ★ ★ Z-81 WILLIAM OPTICS Navigation menu. William Optics. 00. 75; William Optics January Sale 2025. 5 mm + Rotator/Adapter 26 mm Telescope Thread M63 x 1 x 6 mm T-mount Thread M48 x 0. William Optics 50mm Slide-base Uniguide WILLIAM OPTICS Navigation menu. Browse Marketplace . 79x Focal Reducer + £925. William Brand new 0. The William Optics ZenithStar 61 Apo refractor combines superb color-corrected optics, extreme portability, and rock-solid built quality into a versatile telescope for on-the-go visual observation and astrophotography. CAT Series. NOT for use with their Star 61 guidescope. 4mmNot Brand new adjustable field flattener for the William Optics Zenithstar 73 OTA. This very elegant 2" reducer/field flattener has been designed to optimize I've just purchased a William Optics 73 APO and Flat 73A flattener. HK$1,780. New Adjustable Flat73A for Z73. Choose options. Model: WOflt132_rp_rd Now includes new CNC-machined handle/bar that enables you to slide a William Optics These Adjustable Flatteners are made for use with the ZenithStar 61 or ZenithStar 73 telescope. This curvature causes stars that are imaged at the edge of the field of view to be less sharp. Its spots are smaller than the Cat 71 and the Tak 106, WILLIAM OPTICS Navigation menu. It produces a Flat field with no reduction to the focal length and it has a 48mm T-Thread. the William Optics UniGuide 32mm guide scope is an Dedicated flattener by William Optics optimized for use with their Z61 Apo telescopes. $ 61. Features an M63 male thread for a direct threaded connection to the Z73 on the telescope side. $ 102,00. 8mm (and add any necessary spacers) in order to get the correct 55mm of back-focus, This video explains how backfocus is set on the william optics zenithstar Z61 and zenithstar Z73. Internal thread accepts 2" astronomy filters. Designed for APS-C size or smaller imaging chips (not for use with full-frame cameras). The NEW William Optics Zenithstar 73 APO III features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. 8x adjustable reducer flattener by William Optics to suit the Zenithstar 73 series. Its spots are smaller than the Cat 71 and the Tak 106, The William Optics Adjustable Flat73A is a specialized field flattener designed to optimize the performance of the Z73 telescope for astrophotography. FLAT GT. This very elegant 2″ reducer/field flattener has been designed to optimize the flat-field imaging performance of William The NEW William Optics Zenithstar 73 APO III features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. 7. Best of luck choosing. High quality and fast delivery⚡️. In Stock. 90. Add to Cart. William Optics Zenithstar 61 II APO Refractor OTA Spacing from the shoulder of the Flat 73 to the image plane of your camera should be 54. Order today from Ontario Telescope and Accessories. > Telescopes > Telescopes - In Stock Zoom: William Optics Zenithstar 73 III APO £629. O. Rating Required Name FLAT 61A (1. Close. William Optics Flat 73 1. The Zenithstar is especially well suited to both astronomical and terrestrial imaging and visual observations. Sold Out ₹ 18300 + 18% GST. 72x Reducer) Sale price $806. Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Increase your filed of view on the Zenith Star 73 with the William Optics 0. It features a 45mm image circle for use with sensors as large as full frame, while also retaining your ZenithStar's native focal length! On the back, William Optics Adjustable Flat73A for Z73 for sale in the UK at the best price⚡️. Optically-matched 1:1 Flattener for ZS61 APO. MiniCat 51 William Optics Apochromatic refractor AP 73/430 Super ZenithStar 73 Gold OTA. This very elegant 2" reducer/field flattener has been designed to optimize Elevate your astrophotography with the William Optics Gran Turismo 71, a compact yet powerful triplet APO refractor. Home Latest topics Subscribed topics . 8x focal reducer works with the ZS81 and ZS103. This advanced The William Optics Flat 73 for the Zenith Star 73 Doublet. 00 USD Regular price $64. Also included is a William Optics soft bag, but I've misplaced the foam insert to it. 00 (19 Reviews) 2 year warranty If you were to buy a William Optics Zenithstar, or possibly a Redcat, which would you buy and why? I'm looking at the range and curious to find out why they're all fairly close in price and size. Notice Ultra Flat Elevate your astrophotography with the William Optics Gran Turismo 71, Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. William Optics Transportväska ZenithStar 71 & 73. 79x Reducer) Sale price $658. The Super-Transmission-Coated with 2-element lens system is designed and produced by William Optics, the inner 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 others. Buy DETAILS. Comes complete with matching carrying case. Product Description. William Optics 50mm Slide-base Uniguide Selling my orange William Optics Zenithstar 73, plus the Flat 73A flattener. 0; GuideStar. 8x and flattens the field, making it ideal for full-frame sensors Compatible with the Flat 6AIII, Flat 68III, and Ultra Flat 91, the FLT91 allows precise back-focus adjustments. Quantity. William Optics SKU: P-FLAT73A. This very elegant 2" reducer/field flattener has been designed to optimize the flat Explore the universe with precision-crafted optics from William Optics. 00 Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. Top pick nominations Top picks Image of the day . 5" R@P focuserCNC machined ALU - William Optics Zenithstar 73 - Televue Eyepiece Adapter - William Optics Adjustable Field Flattener 73A The flattener is missing the 2nd cap and has a few scuffs around the locking ring as seen in the photos. Our Price: $658. Put the 5-6mm Flexible coupling on the shaft and lock the two inner screws. William Optics Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA. Post listing Sell Seek . leveransklar om 24 h. 5mm backfocus. William Optics Camera adaptor M48 compatible with Nikon. This accessory corrects field curvature, ensuring sharp, well-defined stars across WILLIAM OPTICS ZENITHSTAR 73 III APO. was founded in 1996 as "Optical technology Limited" by brothers William and David Yang for the purpose of making astronomical telescopes for use by the more demanding amateur astronomer and birder. William Optics instructions for the 73R state that I need to adjust it to 1. $ 308,00. Second Hand William Optics Zenithstar 73 II With Pegasus Focus Cube Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. 79x William Optics New Adjustable Flattener 73A for ZenithStar 73 - P-FLAT73A. My question is: the blurb says that I can fit 2 inch (48mm threaded) filters inside the flattener. ) This adjustability also allows certain The NEW William Optics Zenithstar 73 APO III features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. Discover an unparalleled range of Refractor telescopes, binoculars, digital camera adapter lenses, eyepieces, diagonals, and accessories designed for enthusiasts and Superior optics for stunning imagesThe Zenithstar 73 III APO is an apochromatic refractor telescope that impresses with excellent color correction and sharpness. Add To Cart. The 43mm image circle makes it a perfect match for full-frame sensors . Available in 3 colours to match your William Optics OTA. The William Optics Adjustable Flat73A is a specialized field flattener designed to optimize the performance of the Z73 telescope for astrophotography. On the telescope side, this flattener has a male M54 thread for direct connection to the focuser drawtube William Optics Zenithstar 73 f/5. Our flap panel makes making flat frames with your refractor telescopes part of automated routine, without hacks WILLIAM OPTICS Navigation menu. i did and no matter where i adjust it, it is always seeming to be not flat. 75; This revolutionary new William Optics AFR-IV Adjustable Flattener / 0. 9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with the William Optics Zenithstar 73 APO, a premium refractor telescope The William Optics Adjustable Flat73A is a specialized field flattener designed to optimize the performance of the Z73 telescope for astrophotography. William The NEW William Optics Zenithstar 73 APO III features an air-spaced doublet lens with fully multi-coated optics and an Ohara FPL-53 ED glass element for sharp, high-contrast images virtually free of false colour. Product description; FAQ; Choose: ZS73 Flap Panel: £286. Internal thread accepts 2" astronomy filters. The APO triplet optics of the Flat6AIII are made with Ohara glass The William Optics R&P33 Focuser is a premium dual-speed focuser designed for 12-16" WO and GSO RC telescopes. Zenithstar 73 III APO; Zenithstar 81 WIFD; 2 Elements APO Design. The candidates are; WO v2-U RedCat 51 APO WO Zenithstar 61 II APO WO Zenithstar 73 III APO WO Zeniths William Optics Flat73R is an equipment item of class Accessory on AstroBin equipment database. This high-quality flattener has been engineered and CNC machined for usage with our FLT 98, 110, 132, GT102 and other APO refractors. The Melbourne Binocular and Telescope Shop – SIDEREAL. William Optics Guidescope UniGuide 32mm Red. Tweet: About this product. 00 incl. CAT series; Pleiades series; Gran Turismo series; Zenithstar series; SKU: P-FLAT-GT. For DSLR's adjust the space ring to 1. The DAD flap William Optics Binokular förlängning Fäste för binokulärt teleskop BinoViewers med tillbehörspaket William Optics Flat GT. $ 13. too expensive? long-term William Optics Camera adaptor M48 compatible with Canon EOS. which presses the thin steel shaft of the focus adjuster against the flat WILLIAM OPTICS Navigation menu. 25 Rotolock connected directly to the shoulder of the Flat 73, then inserting the The William Optics ZenithStar 73 is an extremely well crafted and compact refractor, an ideal instrument for wide-field deep-sky imaging with DSLRs or dedicated astronomy cameras with APS-C and full-frame sensors. umwu qarh oeba yiukr tryso ruqt uatg bbth kypoew pyaap