The Cooke 5/i S35 T1.4 65mm is a high-performance cinema prime lens designed for Super35 format coverage with a 30mm image diagonal. Featuring a constant T1.4 maximum aperture and PL mount, it delivers precise optical control with dual imperial/metric focus scales and linear T-stop markings. The lens maintains consistent 90° iris rotation and 270° focus throw to minimum object distance (600mm), with full-metal construction ensuring durability. Weighing 3.1kg and measuring 178mm in length, it includes M105 filter threading and achieves a 26.1° diagonal angle of view. Engineered for professional cinematography, it provides optical consistency across the 5/i S35 T1.4 prime series with minimal distortion and exceptional resolution for 4K production workflows.