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 | 118.3mm | 115.8mm | 117.9mm | 118.3mm |
Accessory Thread |
M 49 X 0.75 |
M 49 X 0.75 |
M 49 X 0.75 | M 49 X 0.75 |
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 |
210g |
265g |
250g | 190g |
Overall Length |
45mm |
45mm |
45mm | 45mm |
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 |
173mm | 173mm | 173mm | 173mm |
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 |
52/44mm | 52/44mm | 52/44mm | 52/44mm |
56 X 72 mm; 56 X 72 mm (ideal) |
51/46mm | 51/46mm | 51/46mm | 51/46mm |
2.5 X 3.5" ; 56 X 80 mm | 49/42mm | 49/42mm | 49/42mm | 49/42mm |
65 X 90 mm ; 58 X 81 mm | 47/41mm | 47/41mm | 47/41mm | 47/41mm |
90 X 120 mm ; 83 X 114 mm | 24/19mm | 24/19mm | 24/19mm | 24/19mm |
4 X 5" ; 96 X 120 mm | 14/12mm | 14/12mm | 14/12mm | 14/12mm |
Effective Focal Length (F') |
123.4mm |
123.4mm |
123.4mm | 123.4mm |
Back Focal Length (S'F') |
102.1mm |
102.1mm |
102.1mm | 102.1mm |
Principal Point Separation (HH') |
-2.7mm |
-2.7mm |
-2.7mm | -2.7mm |