Skywatcher 0.9X Focal Reducer/Flattener Evolux ED Range

Two-element design incorporating one ED element. Reduces the standard focal length of the Evolux-62ED and Evolux 82ED by a factor of 0.9x and provides top quality field-edge correction. 

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

Fully multi-coated

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 -

http://www.ktectelescopes.ie/Canon-M48-x-0-75-Adaptor.html

http://www.ktectelescopes.ie/Nikon-M48-x-0-75-Adaptor.html