Description: -Product Name: Security Camera Lens; Image Format: 1/2.5" -Mount: M12*0.5; Focus Length: 4 mm -Aperture D/f': F1.8 -Diagonal Field: 56 °(1/2.5") -4mm 3MP IR security lens offer high definition image for your camera. Specification: Size: 28*28*18mm/ 1.1x1.1x0.71 inch Focal Length: 4mm M.O.D (m): 0.2 Back Focal Length: 8.4mm Operation Zoom: Fix Focus: Manual Iris: Fix Operating Temerature:-20?~+80? Package Includes: 1 piece lens
