Lens Elements, Groups |
8, 4 |
Filter Mounting Thread |
M 48 X 0.75 |
Max. f/# |
22 |
Push-On Filter Size |
52.5mm |
Max. Outer Diameter |
52.5mm |
Weight |
260g |
Overall Length |
50mm |
Recommended Format (negative) Size |
24 X 36 mm |
Effective Focal Length (F') |
21.6mm |
Back Focal Length (S'F') |
8.3mm |
Principal Point Separation (HH') |
20.2mm |
Shortest Image Distance (S'O') |
0.4m |