Specification: Model: CW-VM0850-MP-1/2 Focal-Length: 8-50mm Relative Aperture D/f': F1.4 Mount: C Iris: Manual/Lock Zoom: Manual/Lock Image Format: 1/2.5 Field of view (Field): 51.5-5.36 Dimension: 44*77.8 Resolution: 3MP Flange BFL: 10.23