1. 3.5-22 aperture range and 1:3.5 aperture ratio
2. 100 degrees Picture angle
3. CAC close-range correction
4. Automatic diaphragm type
11 elements in 10 groups
Closest Marked Focusing Distance [m] 0.25
Filter Attachment Size [mm] 72
Dimensions: Dia x Length (extension from lens mount), [mm] 75 x 61.5
Weight [g] 350