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Cooke 65mm miniS4/i Lens - logo

Lenses - Buy Cooke miniS4/i Cine Lens 65mm Focal Length, Cooke Digital Cine Lenses Specs, Lenses

Cooke 65mm miniS4/i Lens

Part #: CKEP 65

Price:  $7,300*

*US dollar prices for Cooke Products subject to currency rate adjustments

Cooke 65mm miniS4/i Lens T2.8

 S4 Quality Deserves the S4 Name

miniS4i logo

The miniS4/i lenses incorporate everything in that today's filmmakers ask for: smaller, lighter weight prime lenses that offer the same resolution, optical quality and reliability as the S4/i prime lenses but at a lower price - and, the miniS4/i 35mm lenses are interchangeable for shooting film and digital images up to and beyond a 4K resolution.


miniS4/i prime lenses are available individually in focal lengths: 18, New 21, 25, 32, 40, 50, 65, 75, 100 and 135mm.  The miniS4/i lenses are also available in sets.

65mm lens available with Metric scales - Part # CKEP 65M


miniS4/i Lens Brochure

/i Technology

Leasing Options


Cooke miniS4/i + Canon C500 Leitner Test Footage HD Chapter Texture HD from Cooke Optics on Vimeo.


Cooke miniS4/i + Canon C500 Leitner Test Footage HD Chapter Seaside HD from Cooke Optics on Vimeo.


miniS4/i 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.

The miniS4/i will cover RED Epic S35 format with an image circle of 33.54mm.

Feature Highlights

• Lenses available 18, 21, 25, 32, 40, 50, 65, 75, 100 and 135mm
• T 2.8 to T 22 aperture
• Colour matched with all other Cooke lenses
• /i Technology included as standard
• Lightweight
• Cooke Quality and S4/i like construction
• Linear iris
• 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 miniS4/i prime lenses are colour balanced, Color-matched and compatible with Cooke 5/i, S4/i and Anamorphics/i.


All Cooke miniS4/i primes have a true T2.8 aperture and cover Super 35mm format and miniS4/i will cover RED Epic S35 format with an image circle of 33.54mm.

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.

Camera Mounts

Arriflex PL Mount with i/technology contacts.


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


All Cooke miniS4/i primes, except the 18mm have a common fixed front diameter of 87mm, with a focus drive gear of 121T x 0.8 mod and an iris drive gear of 119T 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.


An eight-leaf linear module iris assembly is fitted into the Cooke miniS4/i primes with an aperture range of T2.8 to T22.

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 miniS4/i prime lenses are designed to meet a market requirement for fully reliable performance with a minimum of downtime.

/i Technology

All of our miniS4/i Prime lenses 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.

Cases Available

minS4/i by CookeSpecs Subject to Change
T Stop RangeT2.8 - T22
Angular Rotation of Iris Scale75 degrees
Minimum Marked Object Distance250mm / 9in
Close Focus from Lens Front100mm / 4in
Angular Rotaion to MOD Endstop300 degrees
Maximum Diagonal Angle for S35 Format62 degrees
Length from Front of Lens to Lens MountTBD
Maximum Front Diameter87mm / 3.43mm
Total WeightTBD
Maximum Format Covered33.54mm Diameter (Red EPIC 35mm Format)
Focus ScalesTwo opposing focus scales - metric or footage. Scales marked from infinity to MOD.
Focus Drive Gear121 teeth 0.8 metric module x 104 from the image plane
Iris ScaleTwo opposing linear T scales - whole and third stops marked
Iris Drive Gear119 teeth 0.8 metric module x 2.5 wide x 84 from image plane

  Code Description Price  

Featured Product
CKEP 6565mm miniS4/i Lens$7,300

 miniS4/i 65mm Uncoated Elements miniS4/i 135mm Front Element- UNCOATED$410 miniS4/i 135mm Rear Element- UNCOATED$926

  Code Description Price  

 miniS4/i 65mm Uncoated Elements miniS4/i 65mm Front Element- UNCOATED$323 miniS4/i 65mm Rear Element- UNCOATED$323

 miniS4/i Replacement Caps Front Lens Cap for miniS4/i$29
46/6998Cooke Rear lens PL cap (S4i/ minis4/i)$29

Equipment Care Tips/Techniques

Product Brochures & Additional Information


Anamorphic /i Lenses Canon CINE-SERVO Lens

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