1. Aperture range 2.8-32 and 1:2.8 aperture ratio
2. Automatic diaphragm type
3. 43 degrees picture angle
6 elements in 5 groups
Closest Marked Focusing Distance [m] 0.25
Filter Attachment Size [mm] 52
Dimensions: Dia x Length (extension from lens mount), [mm] 63.5 x 62
Weight [g] 290
Working distance 210mm