HD PENTAX-DA 645 28-45 mm F4.5 ED AW SRThis is an ultra wide-angle zoom lens designed specifically for degital use, featuring the best of PENTAX lens technology.
Providing focal lengths from 22mm to 35.5mm in the 35mm format, this is exclusively designed for digital imaging. Its image circle is optimized for an image sensor of the new PENTAX 645Z medium-format digital SLR camera,
and a number of PENTAX-developed technologies including advanced lens coatings are incorporated, to deliver super-high-resolution images made possible only by medium-format digital SLR cameras.
HD PENTAX-DA 645 28-45 mm F4.5 ED AW SR
Focal length (Equivalent to 35mm format)
Angle of View
17 elements / 12 groups
No. of diaphragm blades
Closest focusing distance
Maximum reproduction ratio
Diameter x length
99 x 151.5 mm