The Cooke S4 Prime Lenses were designed and developed in close technical collaboration with Clairmont Camera and Otto Nemenz in Hollywood. They are colour-matched and compatible with Cookes 18-100mm T3.0 and 25-250mm T3.7 zoom lenses. The S4 lenses represent a major advance in fixed focal length lenses for 35mm format professional cinematography. The S4/i system is designed for use with LDS equipped cameras and for use with any professional film camera — 16mm or 35mm. The lenses are designed for all shooting applications, including handheld and Steadicam, providing comfortable balance ratio with the latest compact cameras.