Lens Elements, Groups |
5, 4 |
Filter Mounting Thread |
M 38 X 0.75 or *M 52 X 0.75 |
Max. f/# |
32 or *22 |
Push-On Filter Size |
43mm or * 54mm |
Max. Outer Diameter |
55mm or *56.5mm |
Weight |
340g or *380g |
Overall Length |
89mm or *79mm |
Recommended Format (negative) Size |
23.5 X 23.5 mm or *28.1 X 28.6 mm |
Effective Focal Length (F') |
131mm or *132mm |
Back Focal Length (S'F') |
36.8mm or *37.8mm |
Principal Point Separation (HH') |
84mm or *82mm |
Shortest Image Distance (S'O') |
2.5m or 4m |