Focus: ManualIris: Manual Focal Length (mm): 25Iris Range: F1.4 ~ F22Back Focal Distance (in air) (mm): 14.58Exit Pupil Position (From Image Plane) (mm): -32.4Filter Thread (mm): M25.5 x 0.5Mass (g): 45Focusing Range (From Front Of The Lens) (m): ‡ ~ 0.15Angle Of View: 19‹58' x 15‹02'Object Dimensions at M.O.D.: 53 x 40