Lens Elements, Groups |
5, 4 |
Filter Mounting Thread |
M 49 X 0.75 |
Max. f/# |
22 |
Push-On Filter Size |
51mm |
Max. Outer Diameter |
60mm |
Weight |
305g |
Overall Length |
81mm |
Recommended Format (negative) Size |
24 X 36 mm |
Effective Focal Length (F') |
131.3mm |
Back Focal Length (S'F') |
37.2mm |
Principal Point Separation (HH') |
82mm |
Shortest Image Distance (S'O') |
2m |