Lens Elements, Groups |
4, 3 |
Filter Mounting Thread |
M 49 X 0.75 or *M 29.5 X 0.4 |
Max. f/# |
22 |
Push-On Filter Size |
51mm or *46mm |
Max. Outer Diameter |
60mm or *50.5mm |
Weight |
220g or *105g |
Overall Length |
49mm or *30mm |
Recommended Format (negative) Size |
24 X 36 mm |
Effective Focal Length (F') |
49.3mm |
Back Focal Length (S'F') |
39mm |
Principal Point Separation (HH') |
0.4mm |
Shortest Image Distance (S'O') |
0.5m or *0.6m |