When used with FS-60CB
|Focal length ||255 mm |
|Focal ratio ||f/4.25 |
|Image circle ||44 mm |
This 0.72x triplet reducer provides even illumination at the image plane of 44 mm in diameter, i.e. more than enough for a full frame 35 mm sensor.
Please visit Astrobin (1), Astrobin (2)