Cooke S4/i T2

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Cooke S4/i T2

KOMMER SNART!

Award winning Cooke S4 Prime Lenses were designed and developed in close technical collaboration with industry professionals. They are colour-matched and compatible with Cooke's, 18-100mm T3.0 and 25-250mm T3.7, 15-40mm, T2.0 CXX zoom lenses and the SK4 16mm lenses.

Cooke S4 optics offer superb optical and mechanical performance, control of flare, distortion, veiling glare and spherical aberrations at full aperture. The cam-type focus mechanism allows for smooth focus adjustments. Modular construction increases ease of maintenance and serviceability.

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Feature Highlights

• Lenses available 16, 25, 35, 50, 75, 100mm
• T 2 to T 22 aperture
• Color matched with all other Cooke lenses
• Unmatched ergonomics for DPs and assistants on-set
• /i Technology included as standard
• Control of flare, distortion, veiling glare and Spherical averrations at full aperture
• Designed in the S4 tradition of serviceability
• Linear iris
• Award winning Cam-style focus

Optical Design

The optics are designed to give maximum performance at full aperture with superior control of flare, distortion and spherical aberration.

/i Electronics

Accessible via cable connector near the lens mount and contacts in mount that sync with /i compatible cameras and accessories.

Color Balance

All Cooke 4/i prime lenses are colour balanced to a specification Cooke 5/i, miniS4/i, & Anamorphic/i.

Aperture

All Cooke S4/i primes have a true T2 aperture and cover Super 35mm format.

Index Marks

Every index mark is labelled. More detailed markings allow for more detailed focus control.

Focus Movement

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.

Focus Illumination*

This revolutionary, dimmable, illuminated focus ring has two separately toggled light pipes that allow the camera operator or focus puller to read the focus scale in low lighting conditions. Illumination options are controlled on the lens or via an external controller.

Camera Mounts

Arriflex PL Mount with i/ Technology contact.

Focus

Large, clear numerals on both sides of the focus barrel benefit the focus puller when shooting under difficult lighting conditions.

Compatibility

All Cooke S4/i primes have a common fixed front diameter of 110mm (except for the 12mm, 150mm, 180mm ,300mm) with a focus drive gear of 140T x 0.8 mod and an iris drive gear of 114T x 0.8.

External Finish

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.

Iris

An eight-leaf linear module iris assembly is fitted into the Cooke S4/i primes with an aperture range of T2 to T22 (except 300mm).

Weight/Size Ratio

The lenses are designed for all shooting applications, including handheld and Steadicam, providing comfortable balance ratio with the latest compact cameras.

Reliability and Service

Cooke S4/i prime lenses are designed to meet a market requirement for fully reliable performance with a minimum of downtime.

/i Technology

All of our S4 Prime lenses (and CXX zoom lens) are supplied with /i Technology and are designed for all PL mounted professional motion picture film and electronic cameras. The /i Technology provides cinematographers and camera operators with vital information on lens setting, focusing distance, aperture and depth-of-field, hyperfocal distance, serial number, owner data, lens type and focal length in both metric and footage measurements. For zoom lenses, the zoom position is displayed.

 

Recognition of Excellence
1998 Cinec Award

1999 Academy of Motion Picture Arts and Sciences Award
for Optical and Mechanical Design Excellence

2000 Primetime Emmy Award, Academy of Television Arts and Sciences
For outstanding achievement in Engineering Development

2001 Queen’s Award for Technical Achievement
2001 Queen’s Award for Export

 

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