William Optics ZS 66 SD and focal reducers - Stargazers Lounge This elegantly designed 2" reducer / flattener has been designed to optimise the flat-field imaging performance of William Optics f/6 to f/7.5 refractors. . Adjustable reducer flattener Flat73R for Z73 - William Optics If there is to be a . I use a 1x Hotech flattener (which in fact can be used for any scope between f/5 and f/8) on my William Optics 81 GT IV and have been happy with it - although it isn't a reducer (so focal length is the native 478 mm). Product Details. William Optics FLT156 - 156 mm f/7.8 APO Triplet Refractor - Red Dave - Centroid has used the 3.3 with an ED80 and an H9 and found it very effective. IC 1318, The Butterfly Nebula in SHO narrowband false colors. Our Price: $768.00. William Optics Zenithstar 73 APO Review | AstroBackyard William Optics Flat6A III 0.8x Adjustable Reducer Flattener HK$1,780.00. William Optics Adjustable Flat6A III 0.8x Reducer / Flattener with a thumbscrew to lock it into place! An essential accessory for refractor astrophotography, this flattener features high quality CNC machined . Hyperion Focal Reducer 3D Printed 3D Printed. If you are looking for brighter and wider views or want to shorten your exposure time a reducer is the best way to go . Telescope - Flattener / Reducer - Page 1 - Cyclops Optics 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. 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. William Optics 2" APO Apochromatic Field Flattener and 0.8x Focal ... This accessory is a must-have for refractor astrophotography. such as the William Optics RedCat 51, is that the focusing mechanism . . 43 mm image circle is perfect for full-frame cameras in this 51 mm aperture petzval refractor. Versatile f/6.9 native focal ratio or f/5.5 when used with 0.8x flattener . Sky-Watcher .85x Reducer/Flattener for Evostar-72ED Pro (6 . William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 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. William Optics 0.72x Reducer/Flattener 8 - P-FLAT8 on William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 | + FREE Shipping over $49! William Optics RedCat 51II - Upgraded Version Provides high resolution images when used for astrophotography or wildlife photography and is a convenient ultra-portable telescope . $86.00. Zenithstar 73II APO. . Reducers, Correctors & Flatteners - Telescope Accessories - Accessories ...
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