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CookeLenses
Cooke S4/i focal lengths range from 12mm to 180mm, all with a wide-open aperture of T2. Color-matched and compatible with most lenses in the Cooke line, S4/i primes offer excellent optical and mechanical performance with minimal veiling glare, ghosting, and reflections.
Focal Length | T-Stop | Close Focus (cm)(in) | Front Diameter (mm)(in) |
---|---|---|---|
12 | 2 | 30.487 | 1104.33 |
14 | 2 | 63.57 | 1104.33 |
16 | 2 | 71.127 | 1104.33 |
18 | 2 | 71.127 | 1104.33 |
21 | 2 | 106.687 | 1104.33 |
25 | 2 | 86.367 | 1104.33 |
27 | 2 | 124.469 | 1104.33 |
32 | 2 | 35.5611 | 1104.33 |
35 | 2 | 17.7812 | 1104.33 |
40 | 2 | 60.9614 | 1104.33 |
50 | 2 | 35.5618 | 1104.33 |
65 | 2 | 17.7825 | 1104.33 |
75 | 2 | 40.6428 | 1104.33 |
100 | 2 | 50.834 | 1104.33 |
135 | 2 | 27.9428 | 1104.33 |
150 | 2 | 35.5642 | 1104.33 |
180 | 2 | 45.7249 | 1104.33 |