The 135mm S4/i T2 Prime Lens from Cooke features optimal optical performance, /i Technology lens data transfer, and an ergonomic mechanical design with smooth, cambased focus adjustments. This 135mm lens incorporates an aperture range of T2.0 to T22, focus scales marked in both feet and meters, and colour matching with other modern Cooke cine-style lenses. The S4/i lenses minimise flare, distortion, veiling glare, and spherical aberrations even at the full aperture setting. The S4/i lenses are PLmounted, making them compatible with most professional cine-style cameras.