Cooke S4 Primes

Focal Length T-Stop Min. Focus Weight (lbs) Front Diameter
12mm 2 9″ 6.5 156mm
14mm 2 9″ 5 110mm
16mm 2 9″ 5 110mm
18mm 2 9″ 4 110mm
21mm 2 9″ 4.75 110mm
25mm 2 9″ 3.5 110mm
27mm 2 10″ 3.75 110mm
32mm 2 12″ 4 110mm
35mm 2 14″ 4.25 110mm
40mm 2 16″ 4.5 110mm
50mm 2 20″ 3 110mm
65mm 2 2′ 3″ 3.75 110mm
75mm 2 2′ 6″ 4 110mm
100mm 2 3′ 4.5 110mm
135mm 2 2′ 6″ 5.25 110mm
150mm 2 3′ 6″ 7.5 124/156mm*
180mm 2 4′ 3″ 10.25 136/156mm*