Lens Elements, Groups |
10, 8 |
Filter Mounting Thread |
M 72 X 0.75 |
Max. f/# |
22 |
Push-On Filter Size |
75mm |
Max. Outer Diameter |
78mm |
Weight |
350g |
Overall Length |
55mm |
Recommended Format (negative) Size |
24 X 36 mm |
Effective Focal Length (F') |
21.6mm |
Back Focal Length (S'F') |
37.6mm |
Principal Point Separation (HH') |
33mm |
Shortest Image Distance (S'O') |
0.2m |