133x squeeze factor to widen the horizontal field of view and produce a wider full HD 241 cinematic video without any postcropping Focal length 75 mm Aperture f1 8 F16 Creates cineastic effects such as horizontal scifi reflections impressive light effects and an oval bokeh Lens connection EFM mount Robust but lightweight design made from premium aviation aluminum alloy and Germany made Schott glass elements Closest Focusing Distance 12 m to infinity focusing manual Construction 16 glass elements in 12 groups Filter Spec M67075 Max Magnification 11447V 11845 HFocus Ring Rotation Angle 191 Focus ring diameter 711 mm Length without lid 1304 mm Max Case Diameter 73 mm Weight approx 800 g