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Tele Vue 0.8X reducer/photographic field flattener for TV-85/Pronto
$353.00Sky & Telescope called this TeleVue 0.8X reducer/field flattener lens "a must-have for someone planning to use the TV-85 photographically." Even better, it can work its image-improving magic with any brand of 400mm to 600mm refractor . . . -
Astro-Tech 0.8x reducer/field flattener for Astro-Tech AT130EDT triplet apo refractor Version II
$199.95This economical 0.8x focal reducer and field flattener is designed specifically for astrophotography with the Astro-Tech AT130EDT 130mm f/7 triplet apo refractor. -
Astro-Tech 0.8x reducer/field flattener for Astro-Tech AT115EDT triplet apo refractor Version II
$199.95This economical 0.8x focal reducer and field flattener is designed specifically for astrophotography with the Astro-Tech AT115EDT 115mm f/7 triplet apo refractor. -
Astro-Tech .8x Reducer Field Flattener For the 60ED Optical Tubes
$139.95Looking to make your Astro-Tech (or variant) scope faster and flatter for photography? Then the .8x reducer/flattener is exactly what your are looking for. -
Astro-Tech .8x Reducer Field Flattener For the 72EDII Optical Tubes
$139.95Looking to make your Astro-Tech (or variant) scope faster and flatter for photography? Then the .8x reducer/flattener is exactly what your are looking for. -
Celestron .7x Reducer Lens for The EdgeHD 925
$429.00The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object
4-element lens design
Maintains similar flat-field performance as native EdgeHD optical design
Increases field of view by 43% to better capture wide field images
Threads directly onto the 3.25" threads of the EdgeHD which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
Maintains the identical back focus when used at f/10 and provides generous back focus to accommodate additional accessories and wide variety of cameras
Allows use of existing EdgeHD T-Adapters with or without the Reducer Lens -
Sky-Watcher 0.85x Focal Reducer/Corrector for Pro 120 ED APO Telescope
$395.00.85x Reduction For Your Sky-Watcher Pro 120 ED APO Refractor and 150ED Refractor. Helps Correct Distortion Out to the Edge of the Field Requires a 48mm T-Ring -
Sky-Watcher 0.85x Focal Reducer / Corrector For Pro 100 ED APO Telescope
$380.00.85x Reduction For Your Sky-Watcher Pro 100 ED APO Refractor Helps Correct Distortion Out to the Edge of the Field Requires a 48mm T-Ring -
Sky-Watcher 0.85x Focal Reducer/Corrector for Pro 80 ED APO Telescope
$370.00.85x Reduction For Your Sky-Watcher Pro 80 ED APO Refractor Helps Correct Distortion Out to the Edge of the Field Requires a 48mm T-Ring -
Astro-Tech Dedicated 0.8x reducer/field flattener for the Astro-Tech AT102ED refractor
$99.95This Astro-Tech 2" 0.8x reducer/field flattener is designed for astrophotography while using your Astro-Tech ED102ED refactor.
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