William Optics 0.72x Reducer / Adjustable Field Flattener 8 for GT153, FLT 132 & 102GTS # P-. Designed for APS-C size or smaller imaging chips (not for use with full-frame cameras). Our Price: $768.00. Posted 18 March 2022 - 12:50 PM I've been successfully using this focal reducer with my William Optics GT81 since about 2016, This focal reducer is rated x0.80 and with the Wilialm Optics GT 81 scope FL 478mm I've therfore always calculated to be an equivalent FL of 382mm (478 x 0.80). Simply loosen the set screws on the side and your adapter will rotate 360 deg. New Adjustable Flat6Alll (T-mount not included) This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. . It allows the position of the 2 element lens system to be moved within the barrel so that it can be easily set at the optimum 66mm-86mm back focus distance (distance from flattener lens to film or CCD plane) appropriate for the focal length of the . The FLT132 is also offered with a . ×. That means I'm getting a larger field of view and shorter exposures. William Optics Flat6A III 0.8x Adjustable Reducer Flattener HK$1,780.00. In Stock. Designed with nearly Full frame chip-size DSLR cameras in mind. Facebook. william optics focal reducer. It works well visually too, CA is not detectable by my eyes. Additionally, the 0.8 reducer reduces the focal length of the GT-81 from 478 mm to 382 mm and brings down the focal ration from f/5.9 to f/4.7. Focal ratio is f/5.9 native or f/4.72 with the recommended 'William Optics Flattener Reducer 6' at 0.8x (£139 from FLO). Categories Categories Brands Brands. William Optics 2" APO Field Flattener and 0.8x Focal Reducer is especially recommended for users of the William Optics Megrez 80, 90 and 110. Newer GT71, GT81, Z81, Z103 scopes that have a female M63 thread. All New Adjustable Flat6AIII (T-mount not included) . William Optics 0.8x Reducer & Field Flattener 73R for ZenithStar 73 Brand new adjustable field flattener and 0.8x reducer for the William Optics Zenithstar 73 OTA. Attaches directly to telescopes with an M63 thread on the end of the focuser. $284.00. William Optics Adjustable Reducer Flattener Flat61R for Z61. FMC tripllet APO design. William Optics FLT 90 - posted in Refractors : Does anybody have any info when this might be available or know if anybody is taking preorders. Wish List Compare. I had found enough evidence of others having success with this on other scopes that I decided to try it. Diameter: 51mm Focal Length: 250mm Focal Ratio: f/4.9 Weight: 3.2 lbs Glass: FPL-53 Recommended Flattener/Reducer: None (Petzval Lens Design) The William Optics RedCat 51 is not only an incredibly useful apochromatic telescope/lens for astrophotography, but it is also one of the most beautiful optical instruments in . I am after one that does both jobs so that rules out the dedicated Flat73 which is just a flattener! +1-800-504-5813 Contact Check Order Status. Email. That means I'm getting a larger field of view and shorter exposures. William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 is part of our massive variety of . Telephone (+233) 555-659-990. comment imprimer en livret sur word. Purchase your new William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 from Opticsforyou.com today and you will appreciate the easy checkout process, . The William Optics Reducer-Flattener is a great accessory that improves image quality by being able to adjust spacing without the need for extension tubes. I'm using it with a 0.6x flattener-reducer. It reduces focal Length by 0.7x, changing to f/5.6. Reviews. The William Optics Reducer-Flattener is a great accessory that improves image quality by being able to adjust spacing without the need for extension tubes. le parrain 3 film complet en français gratuit. This revolutionary new William Optics AFR-IV Adjustable Flattener / 0.8x Reducer was made for 500-1000mm refractors. I have a William Optics Zenithstar 61 telescope. Revolutionary new WO x0.72 Adjustable Reducer/Flattener made for f/6 - f/7.8 refractors. Add to Cart. Lens William Optics x0.8 Adjustable Reducer Flattener for ZS73. The William Optics GT-71 APO Triplet refractor features a 3-element f/5.9 objective with an Ohara FPL-53 extra-low-dispersion glass element for optimum colour correction and a new upgraded dual-speed 2.5-inch Rack and Pinion focuser with 1:10 Dual Speed. Antares 0.63x Focal Reducer for F/10 Schmidt-Cassegrain - SCTFR. The focal length of the Vixen FL55 is 239mm, with a focal ratio of F/4.3 (with the optional reducer used). . Facebook. Recommended Accessories. Share. More details on the William Optics page under Products > Accessories > Flatteners The Vixen model does not include a carry case orBahtinov mask in the . William Optics produce the AFR-IV Adjustable 0.8x Reducer/Flattener for 500-1000mm refractors. . An essential accessory for refractor astrophotography, this flattener features high quality CNC machined construction. Step 5: set the Fluorostar 91's focal length to 21mm. In my experience with the Z73, the combination of 430mm at F/5.9 was just right for collecting long exposure astrophotography images of the Butterfly Nebula and Heart Nebula. What is this doing, and what magnification would I get with a 25mm eyepiece? Add to Cart. This Vixen Focal Reducer takes the standard 1800mm (f/9) focal length down to 1278mm (f/6.4). Adjustable Flattener Reducer Flat73R for ZenithStar 73. Additional Information . The NEW William Optics Zenithstar 81 APO features an air-spaced doublet lens with an Ohara FPL-53 ED glass element in a CNC machined ultra high precision lens cell with fully multi-coated optics for high resolution, high contrast images virtually free of false-colour. Add to Cart. Cyclops Optics provides exclusively FREE screw smoothing service to all William Optics telescopes. . Product Details. The back focus is listed below for each style of William Optics telescope or other DSLR you choose to use. Price. Shop William Optics 2" APO Apochromatic Field Flattener and 0.8x Focal Reducer for 66mm to 90mm Refractors WE-FLAT-2 | 5 Star Rating on 1 Review for William Optics 2" APO Apochromatic Field Flattener and 0.8x Focal Reducer for 66mm to 90mm Refractors WE-FLAT-2 + Free Shipping over $49. The focal ratio of a telescope represents its light gathering ability, and the Z73 hits the sweet spot. . Brand new adjustable field flattener/reducer for the William Optics Zenithstar 61 OTA. On the back, it features an M48 thread for attaching nearly any camera. William Optics GT71 APO is a f/5.9 air-spaced triplet FPL-53 apochromat. Adjustable design, for perfect back focus it can be used with other models of refractor 48mm filter ready. leroy merlin catalogue de a à z . The APO triplet optics of the Flat6AIII are made with Ohara glass and fully multi-coated to provide good illumination and a beautifully flat field across 97% of full frame sensors. +1-800-504-5813 Contact Check Order Status. Lens Antares 0.7x Focal Reducer for F/10 or Higher Telescopes - FR2-0.7. Add To Cart. SHARE. APO triplet optics made with Ohara glass. If you are looking for brighter and wider views or want to shorten your exposure time a reducer is the best way to go. Simply loosen the set screws on the side and your adapter will rotate 360 deg. . Putting a filter into the optical path always increases the back focus distance. £219.00 Add to Basket. Table 3 shows the properties of each focal reducer and summarizes which reducer works with which William Optics telescope. Dr. Flat Master x0.8 Reducer/Flattener for GSO RC telescope . The William Optics RedCat 51 Petzval APO is unlike any other telescope on the market. £39.00 Add to Basket. Adjustable reducer flattener Flat73R for Z73 . WO Flat 6AIII will provide good illumination and flat field across 97% of full frame sized sensors. For a little more than ⅓ the price of the Redcat, the Evoguide 50ED looks like a real bargain, even when adding the cost of the much needed field flattener. Produced entirely with the best Ohara optical glasses. Step 1: assemble the William Optics FLAT6AIII reducer. Product Details. WO Flat6A lll will. The William Optics 0.8x focal reducer is also available to reduce the focal-ratio to a fast . The back focus is listed below for each style of William Optics telescope or other DSLR you choose to use. Full frame size. Avg of 4.8 Stars on Google Reviews Price Match Guarantee Free Shipping 1000's of Products Star Diagonal has been born!Introducing New model William Optics Dura-Bright. It threads onto the rear cell of 5" to 16" Celestron and Meade Schmidt-Cassegrain telescopes, making it possible to have a dual focal ratio instrument without sacrificing image quality. . Shop for focal reducers, coma correctors, and field flatteners from your favorite brands Tele Vue, Baader, Antares, . Designed with nearly Full frame chip-size DSLR cameras in mind. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality. Exnihilo . . Note: All images are EAA images with no post processing and no focal reducer/flattener .. Full frame size. That means the base of the mounting threads of the focal reducer needs to be 55mm from the camera sensor to achieve the design reduction . Wish List Compare. This adjustable William Optics 0.72x Reducer/Flattener is a revolutionary new device suitable for use with f/6 to f/7.8 focal ratio refractors such as the WO GT153, FLT132, and 102GTS. $199.99. Specifications. The William Optics Adjustable Field Flattener improves the flat-field imaging performance of William Optics GT71, GT81, Z81, and Z103 refractors. Provides good illumination and a flat field across 97% of a full frame sensor field of view. In Stock. Provides high resolution images when used for astrophotography or wildlife photography and is a convenient ultra-portable telescope . $625.00. Reducing factor 0.8X. William Optics produces several models of focal reducers for their telescopes. The Reducer/Corrector is f/6.3 for C5, C6, C8, C9¼ and C11 telescopes and f/7 for the C14. William Optics give an overall distance of 71.06 mm from rear off the concave lens on the reducer to the chip on the camera, 6.68 mm from the concave lens to the flat flange on the reducer this leaves 64.38 mm left according to William Optics, i`m using a atik ccd camera which has around 13 mm from front of camera . Twitter. VAT. Specifications. $101 . In Stock. The Z61 is the most portable telescope ever made by William Optics, a company with a reputation for building beautiful astrophotography refractors.. The William Optics Redcat Z51 (left) compared to the Sky-Watcher Evoguide 50ED (right). Product Details. databricks interview assignment. plus shipping costs. This compact refractor bridges the gap between a camera lens and a telescope. Spend $300 and get free shipping. View fullsize. Jump to. Features of William Optics 2" APO Apochromatic Field Flattener and 0.8x Focal Reducer for 66mm to 90mm Refractors WE-FLAT-2: This very elegant 2" reducer/field flattener has been designed for optimal results with the 66mm series of telescopes, although it is functional also with other 80 or 90mm refractors. The Flat6AIII has 2" threads on the opposite side to accept a 48mm (Wide) T ring for your DSLR. New Gran Turismo 102 (Gold) OTA only $1,998.00 New Zenithstar 126 APO (New 3.3 inch R & P Focuser) . This Full Frame reducer from William Optics is compatible with several types of cameras including various DSLR models and both CCD and CMOS astronomy cameras. In this review, I'll tell you why I think the William Optics Zenithstar 61 is a top contender when it comes to . . 1.25" Diagonals & Prisms; 2" Diagonals & Prisms; Erect Image Diagonals; Hybrid Diagonals & Prisms; . William Optics Red Dot Finder Kit with Vixen Style Mounting Base . Versatile f/6.9 native focal ratio or f/5.5 when used with 0.8x flattener . $ 359.00 incl. Flattener / Reducer; Astronomy Filters. with a . William Optics RedCat 51. This high-quality flattener has been engineered and CNC machined for usage with William Optics' GT153, FLT 132, 102GTS, and other APO refractors. 2" DCL-52 Digital Camera Lens Adapter with 75mm Focal Length from William Optics for Digital Camera Astrophotography This innovative digital adapter .. £89.76. Shop for focal reducers, coma correctors, and field flatteners from your favorite brands Tele Vue, Baader, Antares, . June 1, 2022. Features of the William Optics Adjustable Field Flattener. $845.00. Free US Shipping. Vixen Focal Reducer For VC200L £241.00. It is worth noting at the outset here, that William Optics recommends the v2 reducer for this telescope but does not recommend the v3 reducer. Focal length: 478 mm: Focal ratio: f/5.9: Image circle: 44 mm with Flat6A-III (97% full frame illumination) . Some scopes, including the William Optics Star and RedCat series, do not require a focal reducer or field flattener for astrophotography. It features a 45mm image circle for use with sensors as large as full frame, while also retaining your ZenithStar 61's native focal length! The large 50mm clear aperture lens will reduce vignetting to almost nil. Just to recap, the GT-81 is a triplet air spaced APO with Ohara FPL-53 low dispersion glass costing £725 from FLO. dans quel pays vivre avec 800 euros par mois. . Ex Tax:£74.80 . on William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 | + FREE Shipping over $49! Explore Scientific - 5x Focal Extender 1.25" Barrel - 4 Elements. This package includes a 0.8x Flat6A-III reducer cum flattener specially designed for GT71 to transform it into a f/4.7 imaging APO covering full frame. Standout Features This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. I have a used, but like-new William Optics .8x Focal Reducer/Field Flattener III for the WO 72mm Megrez, WO Z70, Megrez 80, Megrez 102 and FLT-110 (not compatible with the M110). This focal reducer and field flattener consists of a four-element multicoated 40mm lens in a metal cell. Sky-Watcher Field Flattener for EvoGuide 50ED (4) £95.00 Add to Basket. This Full Frame reducer from William Optics is compatible with several types of cameras including various DSLR models and both CCD and CMOS astronomy cameras. Provides good illumination and a flat field across 97% of a full frame sensor field of view. Email. Steve says: "The William Optics Zenithstar 61 is a portable, well-made refractor with a short focal length of 360mm making it ideal for wide-field observations. The Evoguide wins hands down here. . Edited by bthrel, 10 November 2021 - 10:08 PM. Add to Cart. 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. dans quel pays vivre avec 800 euros par mois. Reviews. Askar f/3.9 Full Frame Reducer for FRA400/5.6 (1) The William Optics Zenithstar 73 APO has an f-ratio of F/5.9. William Optics 0.72x Reducer / Adjustable Field Flattener 8 for GT153, FLT 132 & 102GTS # P-. This accessory is a must-have for refractor astrophotography. Add to Cart . . WO 0.8X Focal Reducer CAMERA: ZWO ASI1600MM Cooled Pro GUIDING: Lacerta M-Gen II Autoguider. Purchase your new William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 from Opticsforyou.com today and you will appreciate the easy checkout process, . The focal reducer for the AX103S Refractor telescope is designed for APS-C format cameras. The reducer/corrector duplicates the rear cell . Recommended Accessories. Not compatible with smaller 42mm T rings. This will be handy if you also are going to install a Electronic Automatic Focus (EAF . IC 1318, The Butterfly Nebula in SHO narrowband false colors. . This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. Description. Zenithstar 73II APO New Adjustable Flat73A for Z73 $218.00 Super high precision "COPPER" T mount for Canon EOS full frame Cameras $86.00 Yes, using filters of any kind in your imaging train will alter your back focus slightly. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. Full frame size Designed with nearly Full frame chip-size DSLR cameras in mind. Aperture is 81mm and focal length is 478mm. Additionally, the 0.8 reducer reduces the focal length of the GT-81 from 478 mm to 382 mm and brings down the focal ration from f/5.9 to f/4.7. Fully multi-coated to provide bright and flat field across 97% of full-frame sensors. Our Price: $768.00. William Optics 0.8x Reducer Flattener 7 (Black) for FLT132 and GT153 only GT102 (optional) $658.00 This revolutionary new WO FF68III Adjustable Flattener was made for 6 -7.5 F ratio refractors.
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