The zeiss 50mm f2 lens is a compact flexible all rounder with bright f2 maximum aperture suitable for a wide range of photography applications including travel landscapes portraiture night photography and more the main feature of the loxia range of lenses is the ability to deactivate the click of the aperture ring by turning a screw on the lens mount tool supplied to enable this this will appeal to the creative individuals who want to capture stills and videos the 50mm f2 is a manua