Askar Full-frame Reducer 0.6x for Askar 103APO (R06-103APO)

The Askar 0.6x full-frame reducer (103 APO) is designed specifically for the Askar 103 APO astrograph. It provides excellent field correction, making it ideal for use with professional cameras and camcorders equipped with a full-frame sensor.

This reducer shortens the focal length by a factor of 0.6x. When used with the Askar 103 APO astrograph, it results in a focal length of 420 mm at f/4.08. These specifications make it possible to capture wide-field images and significantly reduce exposure times.

The reducer allows for the installation of 2" filters, which can be screwed into the M48x0.75 thread on the camera side.

Key features of the Askar 0.6x Full-Frame Reducer (103 APO):

• Focal reducer dedicated to the Askar 103 APO astrograph, compatible with full-frame cameras

• 0.6x reduction, providing an effective focal length of 420 mm at f/4.08

• Compatible with 2" diameter filters

• 55 mm back focus

Technical specifications:

• Optical design: quadruplet

• Reduction factor: 0.6x

• Compatibility: Askar 103 APO

• Focal length without reducer: 700.4 mm

• Focal length with reducer: 420.24 mm

• Aperture without reducer: f/6.8

• Aperture with reducer: f/4.08

• Rear thread (camera side): M68x1 / M54x0.75 / M48x0.75

• Front thread (focuser side): M68x1

• Filter compatibility: yes, 2"

• Back focus: 55 mm

• Length (without adapters): 98 mm

• Diameter: 72 mm

Warranty:
24 months