1. Aperture range 2.8-32 and 1:2.8 aperture ratio
2. Automatic diaphragm type
3. 23 degrees picture angle
10 elements in 9 groups
Closest Marked Focusing Distance [m] 0.41
Filter Attachment Size [mm] 52
Dimensions: Dia x Length (extension from lens mount), [mm] 66.5 x 83.5
Weight [g] 515