About Cooke S4i
Award winning Cooke S4i Prime Lenses were designed and developed in close technical collaboration with industry professionals. They are color-matched and compatible with all contemporary Cooke cine lenses.
Cooke S4i 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.