1. 2.8-22 aperture range and 1:2.8 aperture ratio
2. 74 degrees Picture angle
3. CRC close-range correction
4. Automatic diaphragm type

8 elements in 8 groups
Closest Marked Focusing Distance [m] 0.2
Filter Attachment Size [mm] 52
Dimensions: Dia x Length (extension from lens mount), [mm] 63 x 44.5
Weight [g] 250