Skywatcher 0.9X Focal Reducer/Flattener Evolux ED Range
The flattener / reducer illuminates a full frame format and provides pinpoint star imaging over a 30mm image circle with 62ED and 36mm image circle with 82ED.
Provides focal length of 360mm & f/5.8 on Evolux 62ED with Field of View 5.09°.
Provides focal length of 477mm & f/5.8 on Evolux 82ED with Field of View 4.34°
Back focus is 55mm
Supplied with adapter/field-rotator
Filter thread inside adapter to mount 2” filters
M56x1 female / M48 male threads
Can be used in conjunction with Sky-watcher’s M48 Canon or Nikon T-ring adapters -