1. 4-32 aperture range and 1:4 aperture ratio
2. 5 degrees 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] 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] 138 x 384
Weight [g] 3000