1. 3.5-22 aperture range and 1:3.5 aperture ratio
2. 6 degrees 10' picture angle
3. Has a built-in lens hood
4. Front end of lens has a built-in UV-Filter
5. Has a rotatable and detachable tripod socket

8 elements in 6 groups
Closest Marked Focusing Distance [m] 4.5
Filter Attachment Size [mm] 1 special holder for 39mm filter and 1 for gelatine filter
Dimensions: Dia x Length (extension from lens mount), [mm] 134 x 296
Weight [g] 2800