Medium format lens series hasselblad xcd lens mount hasselblad xcd lens speed 32 focal length 90 mm suitable for sensor type medium format construction prime lens area of use indoor photography landscape photography focus auto focus internal focus manual focus circular aperture closest focusing distance 70 cm focal length equivalent to 35mm camera 71 mm lens type ed lens construction groupselements 810 minimum aperture 32 max aperture 3 2 fi