icon account icon cash icon cart icon cart icon search main arrow arrow check icon camera icon light icon audio icon computer icon storage icon discount icon facebook icon twitter icon linkedin icon vimeo icon youtube icon instagram icon google plus icon share icon email icon print icon time icon phone icon email-m icon marker-m icon pdf icon remove icon comment icon out icon-status icon-star icon-switch pie-chart line-chart icon-user icon-user-1 icon-warning expand-arrow-1 expand-arrow-2 icon-upload icon-download icon-none icon-date-scheduled icon-date-available icon-is-hazardous

Cooke S4/i 21mm Prime T2.0 - PL Mount

Cooke Optics
Abel Code: 21S4
Mfr. Code: CS4-21
This Cooke S4/i 21mm Prime lens has a maximum aperture of T2.0, features Cooke /i lens data technology, and MOD at 9".
Key Highlights
  • 21mm T2 Prime
  • 110mm OD
  • MOD: 9" (250mm)


The Cooke S4/i 21mm Prime T2.0 offers 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.

S4/i lenses 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.


  • Maximum Format Cover: 30mm diameter (Super 35mm format)
  • Focus Scales: two opposing focus scales (metric or feet); scales marked from infinity to MOD
  • Focus Drive Gear: 140 teeth 0.8 metric module x 6.0mm wide x 98mm from image plane
  • Iris Scales: two opposing linear T-scales, whole and 1/3 stops marked
  • Iris Drive Gear: 134 teeth 0.8 metric module x 4.0mm wide x 79.5mm from image plane
  • Internal Front Fitting Filter: internal thread for filter adapter M105 x 0.75 pitch (12mm and 14mm not applicable)
  • Electronics accessible via contacts in PL mount that sync with /i compatible cameras
  • All S4/i prime lenses are color balanced, color-matched and compatible with Cooke 5/i, miniS4/i and Anamorphic/i
  • All S4/i primes have a true T2 aperture and cover Super 35mm format (apart from the T2.8 300mm)
  • Every index mark is labelled; more detailed markings allow for more detailed focus control
  • Academy Award® winning cam-style focus movement coupled with a large lens barrel diameter, allowing 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
  • Features Cooke Hardened 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; the the Entrance Pupil position is engraved on the lens
  • All Cooke S4/i Primes have a common fixed front diameter of 110mm (except for 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
  • 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 S4/i primes with an aperture range of T2 to T22 (Except 300mm)
  • S4/i lenses are designed for all shooting applications, including handheld and Steadicam, providing comfortable balance ratio with the latest compact cameras

What's in the Box

  • 1 x Cooke 21mm S4 Lens T2


Key Highlights

  • 21mm T2 Prime
  • 110mm OD
  • MOD: 9" (250mm)
  • PL Mount

Lens Characteristics

Prime or Zoom:
Lens Mount:
Fixed Focal Length:
Front Diameter:
Image Circle:
Max Dimensions (Diameter x Length):
4.33" x 4.5" - 110mm x 113mm
Rotation Angle of Focusing Ring:
Aperture Range:
Minimum Focus Distance:
Max Angle of View:

Support for Every Production

Facilities in NY & LA designed for maximum comfort and efficiency

We are accustomed to working with productions and budgets of all sizes. Need a complete camera system specifically tailored to your needs or a few accessories to complete your kit? We’ve got you covered. All our gear is meticulously maintained by our on-site technicians, and we treat all jobs with the highest degree of care and attention to detail.



We stock expendables in our three showrooms so you have the convenience of one-stop shopping.



Keep your skills sharp with our practical education: hands-on workshops, community events, and blog.

AbelCine - Contact Rental

Have a question about Rental?

Contact us