This Focal Reducer takes the standard 1800mm(f/9) focal length down to 1278mm (f/6.4). Increasing the field of view and decreasing the exposure time to dramatically increase your density or signal to noise ration. Optional Direct Wide Photo Adapter 60 and T-Ring or Camera Adapter 43 and T-Ring needed to mount to camera.
- 38mm thick, has 56mm diameter threads with a pitch of 0.75mm.
- Optional Camera adapters and T ring would be needed to attach to telescope
- Weight 7 Ounces boxed 5.25 x 3.25 x 3 inches