Mamiya 45mm f/2.8 Wide Angle Auto Focus Lens for 645AF

The 45mm f/2.8 is an extreme wide angle lens with a 76° angle of view.

Applications include architecture, landscape, scenic travel and fashion photography.
Specifications
Construction 7 Groups/ 9 Elements
Angle of view 76°
F stop range f/2.8-22
Closest Focusing Distance 1' 5.7" / 45cm
Maximum Magnification 1:6.6
Filter Size 67mm
Dimensions (Length x Diameter) 4.2 x 3.2" / 70.5 x 75mm
Weight 1 lb. 10 oz. / 475 g.