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S4/i S35

Focal length range: 12mm-300mm (18 lenses)

Format: Super35

Mount: PL 

Speed: T2

Mini S4i_01_HERO_4x3_1700x1276

S4/i Prime Lenses

Cooke S4/i optics offer superb optical and mechanical performance, control of flare, distortion, veiling glare and spherical aberrations at full aperture, with the cam-type focus mechanism allowing for smooth focus adjustments.


Designed and developed in close technical collaboration with industry professionals.


Modular construction increases ease of maintenance and serviceability.


Colour-matched and compatible with Cooke 5/i, miniS4/i and Anamorphic/i.


/i Technology provides vital metadata for consistency and reproducibility.

See the Range

S4/i Showreel

S4/i Test Footage

Content produced by ©Seitofilms


S4/i test film Cinematography by Giacomo Pandiani

S4/i Test Footage

shot at Biofilms rental

Screenshot 2021-05-05 at 11.17.08

S4/i Test Footage

Content produced by ©Seitofilms



S4/i test film Cinematography by Giacomo Pandiani

Screenshot 2021-05-05 at 11.17.36

S4/i Test Footage

shot at Biofilms rental

i/ Technology

Cooke’s /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.


Shot on Cooke S4/i

Video preview for 18
Director of Photography: Bani Mendy
View 18

Call Me By Your Name

Cinematography by Sayombhu Mukdeeprom 

Expertly Crafted

Classic polishing techniques ensure the highest level of precision.

Screenshot 2021-01-14 at 13.25.46

Regular, accurate measurements are key to delivering consistent quality.

Screenshot 2021-01-14 at 13.25.46

Traditional coating machines are used to deposit a thin film onto the glass.

Screenshot 2021-01-14 at 13.25.46

Meticulous edging ensures that glass diameters are always faultlessly rounded.

Screenshot 2021-01-14 at 13.25.46

Lenses are rigorously trialled, checked, modified, cleaned and rechecked.

Screenshot 2021-01-14 at 13.25.46
Screenshot 2021-01-14 at 13.25.46
Screenshot 2021-01-14 at 13.25.46
Screenshot 2021-01-14 at 13.25.46
Screenshot 2021-01-14 at 13.25.46
Screenshot 2021-01-14 at 13.25.46

All Features

The S4/i series are a fully comprehensive lineup of 18 matched focal lengths. S4/i lenses are designed to provide maximum performance at full aperture with superior control of flare, distortion and spherical aberration – ensuring the Cooke Look remains true across the series.

Ergonomically designed to have smooth and accurate travel – whilst utilising precision mechanics to provide a consistent feel in operation through the entire focus movement.

All S4/i series prime lenses have standardised 0.8 MOD focus and iris drive gears.

All S4/i prime lenses are colour balanced and colour matched – ensuring consistency across the series.

All lenses have factory calibrated focus scales with clearly identifiable distance marks.

Durable and hard wearing surface finish to meet the needs of the most demanding environmental conditions.

All S4/i prime lenses cover Super35 format.

The Cooke /i Technology ecosystem provides critical lens metadata such as focus and iris position as well as individually calibrated lens distortion and shading maps. Suitable for the most modern VFX applications such as Virtual Production shooting.

Optimised for the series and suitable for all shooting applications.

The S4/i series of prime lenses feature an eight-leaf linear module iris assembly, providing an aperture range of T2-T22.

Precision PL mount with /i Technology electrical contacts.

All S4/i series prime lenses are designed for full performance and reliability with a minimum of downtime.


T-Stop Range
Angular Rotation of Iris Scale
Min. Marked Object Distance
Close Focus from Lens Front
Angular Rotation to MOD Endstop
Max. Diagonal Angle of View for Super 35 Format
Length from Front of Lens to Lens Mount
Max Front Diameter
Total Weight
225 mm 9 in225 mm 9 in225 mm 9 in250 mm 9 in250 mm 9 in250 mm 9 in250 mm 10 in325 mm 12 in350 mm 14 in450 mm 16 in550 mm 20 in700 mm 27 in700 mm 27 in800 mm 30 in950 mm 36 in850 mm 33 in1050 mm 42 in1300 mm 51 in2100 mm 84 in
47 mm 2.0 in46 mm 2 in46 mm 2 in60 mm 2.5 in60 mm 2.5 in60 mm 2.5 in85 mm 3.5 in119 mm 4.9 in169 mm 6.9 in207 mm 8.4 in323 mm 13 in509 mm 20 in489 mm 19.2 in573 mm 23 in707 mm 28 in564 mm 20.7 in834 mm 32.8 in1058 mm 41.7 in1846 mm 74 in
126 mm 5.0 in127 mm 5.0 in127 mm 5 in113 mm 4.5 in113 mm 4.5 in113 mm 4.5 in113 mm 4.5 in129 mm 5 in129 mm 5 in141 mm 5.5 in125 mm 4.9 in125 mm 4.9 in145 mm 5.7 in125 mm 4.9 in141 mm 5.5 in184 mm 7.3 in157 mm 6.2 in185 mm 7.3 in202 mm 7.9 in
156 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm110 mm125 mm136 mm136 mm
3 kg 6.5 lbs2.2 kg 4.8 lbs2.45 kg 5.40 lbs1.75 kg 3.85 lbs2.0 kg 4.4 lbs1.6 kg 3.5 lbs1.60 kg 3.55 lbs1.85 kg 4.0 lbs1.90 kg 4.20 lbs2 kg 4.4 lbs1.5 kg 3.3 lbs1.6 kg 3.55 lbs2.25 kg 4.95 lbs1.75 kg 3.85 lbs2 kg 4.4 lbs2.25 kg 4.95 lbs3.5 kg 7.7 lbs4.3 kg 9.45 lbs4.7 kg 10.35 lbs