Carl Zeiss Distagon T2,8/21 is a Manual Focus (MF)
Wideangle Prime lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF mount cameras.
Lens Mount
Carl Zeiss Distagon T2,8/21 is compatible with cameras that have Pentax KAF lens mount.Some of the latest released cameras with Pentax KAF lens mount are
Pentax K-1 II,
Pentax KP and
Pentax K-70.
Sensor Coverage
Max sensor coverage of Carl Zeiss Distagon T2,8/21 is 35mm FF.
Focal Range
Carl Zeiss Distagon T2,8/21 has a fixed focal lenght of 21mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 21mm.
Aperture
Carl Zeiss Distagon T2,8/21 has a max aperture of F2.8 and a minimum aperture of F22.0.