Hasselblad HC 50mm f/3.5 Autofocus Lens for the H1 Camera

An all round, wide-angle lens. A versatile all-purpose lens, incorporating a moderate wide-angle effect, and featuring advanced optical design with rear focus mechanism

Corner-to-corner illumination is very even with all aperture settings, and distortion and stray light are extremely well controlled.
Specifications
Construction 9 groups /10 elements
F stop range 3.5-32
Closest Focusing Distance 0.60m / 1.9 ft.
Maximum Magnification 1:8.9
Filter Size 77mm