Main Specifications of the Mamiya Sekor AF 28mm f/4.5D Lens
Compatible cameras: 645AF (requires upgrade to 645AFD), 645AFD, 645AFDII, ZD camera (requires firmware upgrade)
Optical construction: 14 elements in 10 groups
Angle of view: 102 degrees / 94 degrees with ZD back
Aperture range: f/4.5 ~ 32
Min. focus distance: 1.15ft. (0.35m)
Max. magnification: 0.15x
Area covered: 372 x 276mm (at 150mm)
Equivalent in 35mm: 17mm / 20mm with ZD back
Filter diameter: Sheet filter on the mount
Hood: Built-in
Dimensions (LxD): 5.35 x 3.54in. (136 x 90mm)
Weight: 1.9lbs. (886g)
