The Askar 3 inch F3.9 full frame reducer features 4 elements optical design specifically for the FRA600, offers a 0.7X reduction in focal ratio, when used with the FRA600 astrograph, this reducer effectively shortens the exposure time, its focal length is reduced to 420MM, dramatically increases your field of view and bringing more convenience and possibilities for your visual use or astrophotography. The backfocus is the standard 55MM. It also has a built-in M48X0.75 (2 inch) filter thread that allows you to screw on filters conveniently.
Recently viewed products
-
New Other Datalogic S45-PH-5-M03-PH Laser Proximity Sensor, PNP, 10-120mm, 10-30VDC, M8
Original price was: $200.00.$60.00Current price is: $60.00. -
Used Allen Bradley 700-HLT2Z24 Terminal Block Relay, SPDT, 6A 250VAC, 24VDC Coil
Original price was: $30.00.$10.50Current price is: $10.50. -
94556 Joystick Xlvnsov 2-Axis Contro | Genuine MEC
Original price was: $3,344.38.$298.00Current price is: $298.00.



