1. Aperture range 4-32 and 1:4 aperture ratio
2. Rotatable and detachable tripod socket
3. 12 degrees 20' picture angle
9 elements in 6 groups
Closest Marked Focusing Distance [m] 0.71
Filter Attachment Size [mm] 52
Dimensions: Dia x Length (extension from lens mount), [mm] 66 x 172
Weight [g] 800