. Exceptional optical quality enables the 15-40 to rival the best prime lens series at equivalent focal distances.. Perfect homogeneity of colorimetry, contrast and resolution.. Compact and very light (< 2 Kg), centre of gravity identical on all compact zooms.. For high-end film and digital cameras.. No ramping, no breathing.. Focus scale with over 50 witness marks for precise focus position. Available in feet or meters. Minimium image circle 31.4mm diagonal, perfect for Super 35 film and digital cameras. Available in PL mount. Panavision, Canon EF and Nikon F mounts available on request. Compatible with Optimo 1.4x and 2x extenders, DSLR Mounts, Wide Angle 0.75x.. The precise witness marks and mecanics of the lens and its superior optical quality enable you to shoot cutting edge productions.. In Super 3T mm format while maintaining your highest expetations of quality.