Focus: ManualIris: ManualFocal Length (mm): 6Iris Range: F1.2 ~ F16Back Focal Distance (in air) (mm): 11.44Exit Pupil Position (From Image Plane) (mm): -46Filter Thread (mm): M27 x 0.5Mass (g): 55Focusing Range (From Front Of The Lens) (m): ‡ ~ 0.1Angle of View: 56‹09' x 43‹36'Object Dimensions at M.O.D.: 122 x 92