Sky-Watcher 0.85X Reducer/Corrector for EvoStar 100 Refractor
Sky-Watcher 0.85X Pro 100ED Reducer/Corrector Lens
This Sky-Watcher 0.85x Focal Reducer/Corrector for the PRO 100ED APO is designed for serious Astroimagers. Optimized for the Sky-Watcher PRO 100ED APO telescope, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction. This Sky Watcher Reducer/Corrector lens has a back focus of 55mm.
Sky-Watcher's 0.85x Focal Reducer/Corrector comes with M48 threads.