Telephoto lens series samyang vdslr samyang umc lens mount nikon f lens speed 22 focal length 135 mm suitable for sensor types aps c full frame construction prime lens area of use portrait photography night photography animal photography videography focus manual focus circular aperture diagonal angle of view 12 4 diagonal angle of view 35mm 18 8 closest focusing distance 80 cm focal length equivalent to 35mm camera 202 5 mm lens type ed lens