Cooke S4 optics offer superb optical and mechanical performance, control of flare, distortion, veiling glare and spherical aberrations at full aperture, with the cam-type focus mechanism allowing for smooth focus adjustments.
Focal length | T Stop | Close Focus | Front Dia | Weight |
12mm | T2 | 9″ | 156mm | 3kg |
14mm | T2 | 9″ | 110mm | 2.2kg |
16mm | T2 | 9″ | 110mm | 2.45kg |
18mm | T2 | 9″ | 110mm | 1.75kg |
21mm | T2 | 9″ | 110mm | 2kg |
25mm | T2 | 9″ | 110mm | 1.6kg |
27mm | T2 | 10″ | 110mm | 1.6kg |
32mm | T2 | 12″ | 110mm | 1.85kg |
40mm | T2 | 14″ | 110mm | 2kg |
50mm | T2 | 20″ | 110mm | 1.5kg |
65mm | T2 | 2’3″ | 110mm | 1.6kg |
75mm | T2 | 2’6″ | 110mm | 1.7kg |
100mm | T2 | 2’9″ | 110mm | 2kg |
135mm | T2 | 33″ | 110mm | 2.25kg |
150mm | T2 | 3’6″ | 125mm | 3.5kg |
180mm | T2 | 4’3″ | 136mm | 4.3kg |