Cooke S4 optics offer superb optical and mechanical performance, control of flare, distortion, a true T2 aperture on every lens, veiling glare and spherical aberrations at full aperture and the cam-type focus mechanism allows for smooth focus adjustments.
If you like the look of Breaking Bad, A Beautiful Mind and The Grand Budapest Hotel you may want to consider these lenses for your next project.
Key Specs
| Optical Design
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The optics are designed to give maximum performance at full aperture with superior control of flare, distortion and spherical aberration.
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Colour Balance
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All S4 prime lenses are colour balanced, color-matched and compatible with Cooke 5/i, miniS4/i and Anamorphic/i.
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Aperture
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All S4 primes have a true T2 aperture and cover Super 35mm format
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Index Marks
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Every index mark is labelled. More detailed markings allow for more detailed focus control.
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Focus Movement
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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.
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Camera Mounts
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Cooke Hardened PL Mount
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Focus Scaling
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Large, clear numerals on both sides of the focus barrel benefit the focus puller when shooting under difficult lighting conditions. Plus the the Entrance Pupil position is engraved on the lens.
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Compatibility
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All Cooke S4 Primes have a common fixed front diameter of 110mm
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External Finish
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A scratch resistant PTFE hard anodised finish is provided on all Cooke lenses, providing a durable, hard-wearing surface to meet the most demanding environmental conditions.
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Iris
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An eight-leaf linear module iris assembly is fitted into S4 primes with an aperture range of T2 to T22.
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Weight/Size Ratio
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The lenses are designed for all shooting applications, including handheld and Steadicam, providing comfortable balance ratio with the latest compact cameras.
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Maximum Format Cover
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30mm diameter (Super 35mm format)
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Focus Scales
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Two opposing focus scales - metric or footage. Scales marked from infinity to MOD.
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Iris Scales
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Two opposing linear T-scales - whole and third stops marked.
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Iris Drive Gear
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134 teeth 0.8 metric module x 4.0mm wide 79.5mm from image plane.
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