1. 2.8-32 aperture range and 1:2.8 aperture ratio
2. 18 degrees picture angle
3. Automatic diaphragm type
5 elements in 4 groups
Closest Marked Focusing Distance [m] 1.3
Filter Attachment Size [mm] 52
Dimensions: Dia x Length (extension from lens mount), [mm] 80.5 x 93.5
Weight [g] 435