1. 2.8-32 aperture range and 1:2.8 aperture ratio
2. 18 degrees 40' picture angle
3. Automatic diaphragm type
5 elements in 5 groups
Closest Marked Focusing Distance [m] 1.8
Filter Attachment Size [mm] 72
Dimensions: Dia x Length (extension from lens mount), [mm] 78.5 x 130
Weight [g] 800