| Available Mounts | Compur 0 | Prontor Prof. 0 | Copal 0 | BK 0 |
|
Lens Elements, Groups |
6, 4 | 6, 4 | 6, 4 | 6, 4 |
| Flange Focal Distance | 128.9mm | 126.4mm | 128.5mm | 96.6mm |
|
Accessory Thread |
49mm |
49mm |
49mm | 49mm |
|
Mounting Thread |
M 32.5 X 0.5 |
M 39 X 0.75 |
M 32.5 X 0.5 | M 32.5 X 0.5 |
|
Max. f/# |
45 |
45 |
45 | 45 |
|
Weight |
230g |
285g |
130g | 196g |
|
Overall Length |
47.6mm |
47.6mm |
47.6mm | 47.6mm |
Recommended Format Size |
90 X 120 mm |
90 X 120 mm |
90
X 120 mm (4 X 5") |
90 X 120 mm |
Image Circle Diameter at f/22 |
190mm | 190mm | 190mm | 190mm |
Angle of View at f/22 |
70 degrees | 70 degrees | 70 degrees | 70 degrees |
Lens Displacement at f/22 (vertical/horizontal) |
||||
2.25 X 3.25" ; 51 X 77 mm |
61/53mm | 61/53mm | 61/53mm | 61/53mm |
56 X 72 mm; 56 X 72 mm (ideal) |
60/55mm | 60/55mm | 60/55mm | 60/55mm |
| 2.5 X 3.5" ; 56 X 80 mm | 58/51mm | 58/51mm | 58/51mm | 58/51mm |
| 65 X 90 mm ; 58 X 81 mm | 57/50mm | 57/50mm | 57/50mm | 57/50mm |
| 90 X 120 mm ; 83 X 114 mm | 35/29mm | 35/29mm | 35/29mm | 35/29mm |
| 4 X 5" ; 96 X 120 mm | 26/22mm | 26/22mm | 26/22mm | 26/22mm |
Effective Focal Length (F') |
135.4mm |
135.4mm |
135.4mm | 135.4mm |
Back Focal Length (S'F') |
112.3mm |
112.3mm |
112.3mm | 112.3mm |
Principal Point Separation (HH') |
-2.6mm |
-2.6mm |
-2.6mm | -2.6mm |