Dahua MH1220S. 12 mm fixed lens. Supports camera sensors up to 1/2 ". High resolution for 3MP cameras. Optimal short-range images with a minimum focusing distance of 0.1 meters. Distortion rate of <0.1%, which benefits analysis images. Small frame size, suitable for system integration and installation. Stable sharpness quality when temperature ranges from -20 ° C ~ + 50 ° C. Outer diameter of only ?27mm

Specifications

Focal length: 12mm

Image circle: Ø9 mm

Diaphragm: 2.0 - C

Viewing angle 1 / 1.8 ": 40.7 ° x 33 ° x 24.3 °

Viewing angle 1/2 ": 36.3 ° x 29.5 ° x 22.4 °

Minimum focus distance: 0.1 meters

TV distortion: -0.10%

Relative illumination: 41% (full aperture), 50% (F4.0)

Mount: C

Operating temperature: -20 ° C ~ + 50 ° C

Filter thread: M25.5 x P0.5

Dimensions: Ø26.8 x 19.9 mm