The leica 35mm f2 lens joins the new loxia range of manual focus lenses and is designed for use with full frame cscs using the sony e mount such as the sony a7 series the main feature of the loxia series 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 enthusiasts who want to capture stills and videos this lens is ideal for travel reportage street photography landscapes portraiture video