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Cooke Optics 5/i Prime Lenses
Color-matched and compatible with Cooke S4/i lenses, Cooke miniS4/i lenses, Cooke Anamorphic/i lenses, CXX 15-40 mm T2 S4/i Zoom, 18-100mm T3.0 and 25-250mm T3.7 and the SK4 16mm lenses, the Cooke 5/i Prime Lenses are supplied with /i Technology, and are designed for all PL mounted professional motion picture film and electronic cameras.
• Cooke Lenses available 18, 25, 32, 40, 50, 65, 75, 100, and 135mm
• T 1.4 to T 22 aperture
• Innovative focus ring illumination for effective low-light operation
• Color matched with all other Cooke lenses
• Unmatched ergonomics for DPs and assistants on-set
• /i Technology included as standard on all Cooke Lenses
• Independent metric and footage scales included
• Designed in the S4 tradition of serviceability
• Linear iris
• Cam-style focus
The optics of Cooke Lenses are designed to give maximum performance at full aperture with superior control of flare, distortion and spherical aberration.
Accessible via cable connector on a Cooke lens, near the lens mount and contacts in mount that sync with /i Technology compatible cameras and accessories.
All Cooke 5/i prime lenses are colour balanced to a specification within parameters approved by Kodak and are colour-matched and compatible with Cooke S4/i, Panchro by Cooke, CXX 15-40mm T2 S4/i Zoom, 18-100mm T3.0 and 25-250mm T3.7 and the SK4 16mm lenses.
All Cooke 5/i prime lenses have a true T1.4 aperture and cover Super 35mm format.
On Cooke lenses, every index mark is labelled. More detailed markings allow for more detailed focus control.
The Cooke lens 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.
This revolutionary, dimmable, illuminated focus ring has two separately toggled light pipes that allow the camera operator or focus puller using Cooke lenses to read the focus scale in low lighting conditions. Illumination options are controlled on the lens or via an external controller.
Cooke lenses offer Arriflex PL Mount
Scaling Large, clear numerals on both sides of the focus barrel of Cooke lenses benefit the focus puller when shooting under difficult lighting conditions. Plus the Entrance Pupil position is engraved on the lens.
All Cooke 5/i prime lenses have a common fixed front diameter of 110mm, with a focus drive gear of 140T x 0.8 mod and an iris drive gear of 134T x 0.8. ( With exception of the 135mm lens with a 136mm front diameter)
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.
A seven-leaf linear module iris assembly is fitted into the Cooke 5/i prime lenses with an aperture range of T1.4 to T22.
Cooke lenses are designed for all shooting applications, including handheld and Steadicam, providing comfortable balance ratio with the latest compact cameras.
Reliability and Service
Cooke 5/i prime lenses are designed to meet a market requirement for fully reliable performance with a minimum of downtime.
Cooke lenses provide cinematographers and camera operators with vital information on lens setting, focusing distance, aperture and depth-of-fi eld, hyperfocal distance, serial number , owner data , lens type and focal length in both metric and footage measurements. For Cooke Optics zoom lenses, the zoom position is displayed. Significantly, all the information is captured downstream for use in postproduction.
Cases Available for Cooke Lenses