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Award-winning Cooke S4 Prime Lenses were designed and developed in close technical collaboration with industry professionals.Add to kit list
Cooke S4 lenses offer superb optical and mechanical performance, flare control, distortion, veiling glare and spherical aberrations at full aperture. They have a true T2 aperture and cover Super 35mm format. With a PL mount they fit most high end cameras. The lenses are designed for all shooting applications, including handheld and steadicam, providing comfortable balance ration with the latest compact cameras. All Cooke S4 lenses have a front diameter of 110mm.
The optics are designed to give maximum performance at full aperture with superior control of flare, distortion and spherical aberration.
Every index mark is labelled. More detailed markings allow for more detailed focus control.
Our Academy Award® winning cam-style focus movement coupled with the added benefit of a large lens barrel diameter, has allowed for an increased number of focus markings, particularly at close focus. Spherical aberration has been controlled throughout the range of focal lengths to eliminate compensation of changes in back focus with aperture. A four-point contact bearing provides a smooth positive backlash-free movement.
Large, clear numerals on both sides of the focus barrel benefit the focus puller when shooting under difficult lighting conditions. Plus the Entrance Pupil position is engraved on the lens.
The lenses are designed for all shooting applications, including handheld and Steadicam, providing comfortable balance ratio with the latest compact cameras.
Reliability and Service
S4 prime lenses are designed to meet a market requirement for fully reliable performance with a minimum of downtime.