1. 2-22 aperture range and 1:2 aperture ratio
2. 18 degrees picture angle
3. Automatic diaphragm type
6 elements in 4 groups
Closest Marked Focusing Distance [m] 1.3
Filter Attachment Size [mm] 72
Dimensions: Dia x Length (extension from lens mount), [mm] 64 x 83.5
Weight [g] 860