Skywatcher 0.9x Focal Reducer and Flattener for Evolux-82ED

Reduces the standard focal length of the Evolux-82ED by a factor of 0.9x and provides top quality field-edge correction.

♦ suitable for full frame format

♦ best correction over 36 mm diameter

♦ resulting focal length 477 mm

♦ camera connection via thread M48, therefore no vignetting

♦ camera can be rotated, the rotator also has a thread for 2" filters.

 

Skywatcher 0.9x Focal Reducer and Flattener for Evolux-82ED

This two-element design incorporating one ED element reduces the standard focal length of the 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 36 mm image circle. The resulting focal length is 477 mm (f/5.8) and the field of view can be up to 4.34°. The back focus is 55 mm, all elements are fully multi-coated.

The flattener is supplied with adaptor/field-rotator. A filter thread inside the adaptor allows to mount 2" filters. It is equipped with M56x1 female / M48 male threads and can be used in conjunction with optional M48 Canon or Nikon T-ring adaptors.
 

Type:	Reducer/Flattener 0.9x
Magnification factor:	0.9x
Focal length on Evolux-82ED:	477 mm (f/5.8)
Telescope connection:	M56
Camera connection:	M48
Coating:	Fully multi-coated

In the box:
♦ Reducer/Flattener 0.9x
♦ Field rotator
♦ Dust caps