Telephoto lens series zeiss milvus lens mount canon ef lens speed 2 focal length 135 mm suitable for sensor types aps c full frame construction prime lens area of use videography portrait photography night photography focus manual focus circular aperture horizontal angle of view 15 6 vertical angle of view 10 5 diagonal angle of view 18 7 closest focusing distance 80 cm lens construction groupselements 811 minimum aperture 22 max apertu