1. 3.5-22 aperture range and 1:3.5-4.5 aperture ratio
2. 62-18 degrees picture angle
3. 1-ring operation for zoom and focusing
4. Macro setting at 135mm, maximum maginification 1:3.8

16 elements in 12 groups
Closest Marked Focusing Distance [m] 0.4
Filter Attachment Size [mm] 62
Dimensions: Dia x Length (extension from lens mount), [mm] 68 x 112
Weight [g] 600