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Cooke 50mm Anamorphic /i Lens T2.3 - logo

Lenses - Buy Cooke Anamorphic Cine Lens 50mm Focal Length, Cooke Digital Cine Lenses Specs, Lenses

Cooke 50mm Anamorphic /i Lens T2.3 - new side 50
Cooke 50mm Anamorphic /i Lens T2.3 - 50mm side
Cooke 50mm Anamorphic /i Lens T2.3 - iris

Cooke 50mm Anamorphic /i Lens T2.3

Part #: CKEA 50

Price:  $29,900*

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

   The Cooke Anamorphic /i Look  

All of the anamorphic lens characteristics demanded by filmmakers today -with the Cooke Look® and oval bokeh. That’s the Cooke Anamorphic /i lens Look.


With our Anamorphic lens, images are beautifully rendered for film and suited for use with digital cameras. The Anamorphic lenses correct aberrations exceptionally well over the entire image area – astigmatism, lateral and longitudinal colour – that will render shape, form and soul to your images.


 While the "look" is crucial, precision engineering and seamless integration with other equipment is equally important. The Anamorphic /i, T2.3 prime lens in eight focal lengths are colour matched to our S4/i, 5/i and miniS4/i prime lenses.


The Anamophic /i lenses offer superb optical and mechanical performance. Distortion, veiling glare, flares, and all aberrations are controlled at all apertures over the whole field of view. Like our S4/i, 5/i and miniS4/i prime lenses, the cam focus mechanism allows for smooth focus adjustments in the Anamorphic /i lenses. Modular construction increases ease of maintenance and serviceability. The Anamorphic /i lenses are designed and made by Cooke Optics to their traditional high standards in Leicester, England.



Anamorphic lens Feature Highlights:

  • Anamorphic prime lenses available: 25, 32, 40, 50, 65 Macro, 75, 100, 135, 180 & 300mm with 2x squeeze
  • Anamophic/i Zoom lens 35-140mm T3.1-T22
  • T2.3 aperture
  • T2.6 to T22 - 65mm MACRO
  • T2.8 to T22 -180mm
  • T3.5 to T22 -300mm
  • Offers anamorphic characteristics including 2:1 oval bokeh for out of focus highlights
  • The Cooke Look® and colour matched with all other Cooke lenses.
  • Anamorphic lens is especially well corrected for astigmatism and lateral and longitudinal aberrations over the entire image area
  • Linear iris
  • Anamorphic /i lenses equipped with the next generation of /i Squared Technology* for lens metadata capture
  • Award-winning cam-style focus mechanism allows for smooth focus adjustments on Anamorphic lenses


Optical Design

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

/i Technology

The Cooke Anamorphic/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. For zoom lenses, the zoom position is displayed. The Anamorphic lens /i Technology is accessible via cable connector near the lens mount and contacts in mount that sync with /i compatible cameras and accessories.

Color Balance

Cooke Anamorphic /i prime lenses are colour balanced to a specification Cooke 5/i, S4/i miniS4/i prime lenses. 


Cooke Anamorphic /i primes lenses have a true T2.3 aperture and cover Super 35mm format, except the 65mm MACRO which has a T2.6 aperture, the 180mm has a  T2.8 & the 300mm has a T3.5 apeture.

Index Marks

Every index mark is labelled. More detailed markings allow for more detailed focus control on the Anamorphic lenses.

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 in the Anamorphic lenses.

Camera Mounts

Arriflex PL Mount with i/ Technology contact standard on the Anamorphic /i lenses.


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


With the exception of the 25, 65 MACRO and 300mm lenses, all Cooke Anamorphic/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 114T x 0.8. The 25, 65 MACRO and 300mm Cooke Anamorphic/i primes have a front diameter of 136mm.

External Finish

A scratch resistant PTFE hard anodised finish is provided on all Prime lenses, providing a durable, hard-wearing surface to meet the most demanding environmental conditions.


An eleven-leaf linear module iris assembly is fitted into Cooke Anamorphic/i primes with an aperture range of T2.3 to T22; T2.6 to T22 on the 65mm MACRO, T2.8 to T22 on the 180mm, and T3.5 to T22 on the 300mm.

Weight/Size Ratio

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

Reliability and Service

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

Cases are available for the Cooke Anamorphic /i prime lenses

 * Patent pending

Anamorphic /i Lenses

T Stop RangeT2.3 -T22
Angular Rotation of Iris Scale 90 degrees
Minimum Marked Object Distance840 mm
33 inches
Close Focus from Lens Front550 mm
22 inches
Angular Rotation to MOD Endstop 300 degrees
Maximum Angle of View** Horizontal / Vertical * degreesH 50.7
V 21.2
Length from Front of Lens to Lens Mount 195 mm
7.68 inches
Maximum Front Diameter mm110 mm
4.33 inches
Total Weight:7.94 lb.
3.6 kg.
Maximum Format Covered33.54mm Diameter (New Epic S35mm Format)
Focus ScalesTwo opposing focus scales - metric & footage.
Scales marked from infinity to MOD.
Focus Drive Gear 140 teeth 0.8 metric module x 6.0 wide x 102 from the image plane.
Iris Scales Two opposing linear T scales - whole and third stops marked
Iris Drive Gear 134 teeth 0.8 metric module x 4.0 wide x 82 from image plane

* Specifications subject to change

** Angle of view calculations based on Alexa Studio 4:3 camera

  Code Description Price  

Featured Product
CKEA 50 50mm Anamorphic/i Lens T2.3$29,900

Equipment Care Tips/Techniques

User Manuals

Product Brochures & Additional Information

User Manuals

  Code Description Price  

 Cooke Anamorphic /i lenses
CKEA 25Cooke 25mm Anamorphic/i Lens T2.3$29,900
CKEA 32Cooke 32mm Anamorphic/i Lens T2.3$29,900
CKEA 40Cooke 40mm Anamorphic/i Lens T2.3$29,900
CKEA 65Cooke 65mm Macro Anamorphic/i Lens T2.6$32,250
CKEA 75Cooke 75mm Anamorphic/i Lens T2.3$29,900
CKEA 100Cooke 100mm Anamorphic/i Lens T2.3$29,900
CKEA 135Cooke 135mm Anamorphic/i Lens T2.3$29,900
CKEA 180Cooke 180mm Anamorphic/i Lens T2.8$34,000
CKEA 300Cooke 300mm Anamorphic/i Lens T3.5$36,000

 Cooke Anamorphic/i Zoom lens
CKEA ZOOM35-140Cooke 35-140mm Anamorphic/i Lens Zoom$63,750


Anamorphic /i Lenses Canon CINE-SERVO Lens

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