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Pentax 28-45 f/4.5 645 ED AW SR

This is Pentax's super sharp ultra-wide-angle zoom lens for the 645Z. Roughly equivalent to a 22mm-35mm lens on a full frame camera, this lens gives you amazingly sharp edges from corner to corner, all on that beautiful 51MP sensor of the 645Z. The built-in SR (Shake Reduction) Technology gives you over 3 stops of image stabilization. Dust sealing and weather resistance keeps the lens internals safe from all the elements when you're out in the field.

Focal Length 28 - 45 mm
Aperture Maximum: f/4.5
Minimum: f/32
Camera Mount Pentax 645
Angle of View @ Infinity 89° - 63°
Minimum Focus Distance 1.31' (.4 m)
Diaphragm Blades 9
Elements/Groups 17/12
Magnification 0.21x
DOF Scale No
Distance Scale Yes
Autofocus Yes
Tripod Collar No
Movements None
Filter Thread Front: 82 mm
Weight 3.24 lb (1.47 kg)
Dimensions Approx. 3.90 x 5.96" (99 x 151.5 mm)