Focus: ManualIris: ManualFocal Length: (mm) 9Iris Range: F1.4 ~ F16Back Focal Distance (in air) (mm): 13.48Exit Pupil Position (From Image Plane) (mm): -27.9Filter Thread (mm): M27 x 0.5Mass (g): 55Focusing Range (From Front Of The Lens) (m): ‡ ~ 0.1Angle Of View: 52‹06' x 40‹16'Object Dimensions at M.O.D.: 108 x 81