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Cooke 21mm S7/I Full Frame Plus Lens T2.0 (Feet)
The Cooke 21mm S7/I Full Frame Plus Lens T2.0 features focus scales marked in feet and covers full-frame and larger sensors. The S7/i lenses feature an aperture range of T2.0 to T22, while maintaining the same world-renowned Cooke image characteristics. A large focus scale with 270° & of rotation provides for highly accurate focus pulls with easily read markings.
This 21mm prime lens features a PL mount, which makes it compatible with most commonly used professional film and digital cinema cameras. The cam-type focus mechanism provides smooth focus pulls, and the linear iris features nine-iris blades for round, natural-looking highlights. Color-matched to intercut with other Cooke lenses, this lens combines classic, hand-fitted construction and modern /i Technology for lens metadata capture.
Optical Design
The optics are designed to give maximum performance at full aperture with superior control of flare, distortion, and spherical aberration.
/i Electronics
Contacts in the mount sync with /i compatible cameras and accessories, providing lens information on focusing distance, aperture and depth of field, hyperfocal distance, serial number, owner data, lens type, and focal length in both meters and feet.
Color Balance
All Cooke S7/i prime lenses are color balanced to the Cook 5/i, S4/i, Anamorphic/i, and PANCHRO/i Classic lenses.
Aperture
Cooke S7/i Primes have a true T2.0 aperture and cover 35/Super 35mm, Full Frame, and beyond.
Index Marks
Every index mark is labeled. More detailed markings allow for more detailed focus control.
Focus Movement
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 Scaling
Large, clear numerals on both sides of the focus barrel enable your focus puller to work from either side of the lens without remarking or flipping the lens upside down.
Compatibility
S7/i Primes 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.
External Finish
A scratch-resistant PTFE hard anodized finish is provided on all Cooke lenses, providing a durable, hard-wearing surface to meet the most demanding environmental conditions.
Iris
A nine-leaf linear module iris assembly is fitted into S7/i primes with an aperture range of T2.0 to T22.
The Cooke 21mm S7/I Full Frame Plus Lens T2.0 features focus scales marked in feet and covers full-frame and larger sensors. The S7/i lenses feature an aperture range of T2.0 to T22, while maintaining the same world-renowned Cooke image characteristics. A large focus scale with 270° & of rotation provides for highly accurate focus pulls with easily read markings.
This 21mm prime lens features a PL mount, which makes it compatible with most commonly used professional film and digital cinema cameras. The cam-type focus mechanism provides smooth focus pulls, and the linear iris features nine-iris blades for round, natural-looking highlights. Color-matched to intercut with other Cooke lenses, this lens combines classic, hand-fitted construction and modern /i Technology for lens metadata capture.
Optical Design
The optics are designed to give maximum performance at full aperture with superior control of flare, distortion, and spherical aberration.
/i Electronics
Contacts in the mount sync with /i compatible cameras and accessories, providing lens information on focusing distance, aperture and depth of field, hyperfocal distance, serial number, owner data, lens type, and focal length in both meters and feet.
Color Balance
All Cooke S7/i prime lenses are color balanced to the Cook 5/i, S4/i, Anamorphic/i, and PANCHRO/i Classic lenses.
Aperture
Cooke S7/i Primes have a true T2.0 aperture and cover 35/Super 35mm, Full Frame, and beyond.
Index Marks
Every index mark is labeled. More detailed markings allow for more detailed focus control.
Focus Movement
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 Scaling
Large, clear numerals on both sides of the focus barrel enable your focus puller to work from either side of the lens without remarking or flipping the lens upside down.
Compatibility
S7/i Primes 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.
External Finish
A scratch-resistant PTFE hard anodized finish is provided on all Cooke lenses, providing a durable, hard-wearing surface to meet the most demanding environmental conditions.
Iris
A nine-leaf linear module iris assembly is fitted into S7/i primes with an aperture range of T2.0 to T22.
Cooke 21mm T2.0 S7/i Full Frame Plus Specs
| Focal Length | 21mm |
| Lens Mount | ARRI PL |
| Lens Format Coverage | Full Frame |
| Image Circle | 46.3 mm |
| Maximum Aperture | T2 |
| Minimum Aperture | T22 |
| Diagonal Angle of View | Super35: 70° Full Frame: 91° |
| Minimum Focus Distance | From : 14" / 35.6 cm |
| Diaphragm Blades | 9 |
| Gear MOD & Pitch | Focus: 0.8 MOD / 32 Pitch Iris: 0.8 MOD / 32 Pitch |
| Front Diameter | 110 mm |
| Focus Scales | Imperial |
| Focus Rotation | 270° |
| Iris Rotation | 90° |
| Electronic Communication | Yes |
| Image Stabilization | No |
| Length | 7.44" / 18.9 cm |
| Weight | 7.28 lb / 3.3 kg |
Packaging Info
| Package Weight | 9.09 lb |
| Box Dimensions (LxWxH) | 14.2 x 8.4 x 8.4" |
In the Box
- Cooke 21mm S7/I Full Frame Plus Lens T2.0 (Feet)
- Front Lens Cap
- Rear Lens Cap
- Set of Four Shims
- 2-Year Manufacturer Warranty
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