Pentax DFA645 Macro 90mm F2.8 is an Auto Focus (AF) Macro Prime lens with 645 max sensor coverage and it is designed to be used with Pentax 645AF2 mount lenses.
Lens Mount
Pentax DFA645 Macro 90mm F2.8 is compatible with cameras that have Pentax 645AF2 lens mount.
Sensor Coverage
Max sensor coverage of Pentax DFA645 Macro 90mm F2.8 is 645.
Focal Range
Pentax DFA645 Macro 90mm F2.8 has a fixed focal lenght of 90mm. When mounted on a 645 format camera, it provides an 35mm (FF) equivalent of 70.2mm.
Optical Image Stabilization
Pentax DFA645 Macro 90mm F2.8 features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Aperture
Pentax DFA645 Macro 90mm F2.8 has a max aperture of F2.8 and a minimum aperture of F22.0.