Astronomy Specialist

ASKAR 0.7x FLATTENER AND REDUCER for FRA400

$449.00

Quantity
- +

 

The field flattener & reducer for the ASKAR FRA 400 is a dedicated corrector with a reducing power of 0.7X. It shortens the focal length from 400mm to 280mm and the focal ratio from f/5.6 to f/3.9 halving the exposure time. The working distance between the flattener and the sensor is 55mm.

The flattener/reducer can be connected to the focuser of the Askar FRA 400 using the M62 x 1 male thread, on the camera side there is the universal M48 x 0.75 male thread. The flattener has an internal M48 x 0.75 thread to accept any standard 2" filter. 

 

Spot diagram SharpStar 400 + 0.7x dedicated reducer


 

Reducing power

0.7 X

Focuser connection

M62 x 1 male

Camera connection

M48 x 0.75 male

Working distance

55 mm 

Length

63 mm

Weight

385 gr

Width

63 mm

Outer diameter

76 mm 

SKU

ASA-FRA400-R


 

×
Welcome Newcomer