Pentax Fa 645 45-85Mm F4.5 Mf Lens

For use with the Pentax 645 camera.

This standard zoom lens smoothly transitions from wide angle to short telephoto focal lengths equivalent to 35.5mm to 67mm in a 35mm format. Through the zoom range, it maintains a constant f/4.5 maximum aperture and can stop at f/32. It uses a 3-group zoom system for providing high delineation performance that is stable over the entire zoom range.