Sky-Watcher 0.85x Focal Reducer/Corrector for ED80 Telescope

The 0.85x Focal Reducer/Corrector for ED80 Telescope from Sky-Watcher effectively reduces the telescope's focal length by 0.85x and improves the image-correction at the edges of the field of view for astrophotography and astroimaging. Use this reducer/corrector with Sky-Watcher's M48 Sony, Canon, or Nikon T-ring adapters.