Sky-Watcher S20207 Overview
The Sky-Watcher 0.9x Focal Reducer / Flattener for Evolux 82 ED APO Refractor is a thread-on reducer/corrector that produces a flat field across the entire image while shortening exposure time by 24%. It is optimized for Evolux 82mm refractors.
- 82mm, f/5.8, 477mm focal length
- 55mm back focus
- 36mm illuminated field
- Includes one ED element
- M56x1 female / M48 male threads
- Includes rotator/adapter with built-in cavity for 2″ filters
Sky-Watcher S20207 Specs
| Compatibility | Sky-Watcher Evolux 82mm |
| Color | Black |
| Dimensions | Not Specified by Manufacturer |
| Weight | Not Specified by Manufacturer |
| Package Weight | 0.85 lb |
| Box Dimensions (LxWxH) | 5.4 x 3.4 x 3.4″ |
Sky-Watcher S20207 Reviews
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