4MP High Resolution Design,  Apply to 720P 1080P 3MP 4MP Camera.

Outstanding Coating Technology, All Lens Elements are with Multi-layer Broadband Coating to Get Best Image.

Model:			LF2812-CS-4MP-F1.8-IR-D
Parameter of  lens
Pixel			4MP
Image format			1/2.7″
Focal length			2.8-12mm
Aperture			F1.8
Mount			CS
Field angle DxHxV(°)			D	H	V
	1/2.7"	W	153.8°	106.3°	75.3°
		T	37.9°	30.4°	22.9°
	1/3"	W	127.6°	93.6°	66.8°
		T	34.4°	27.5°	20.7°
	1/4"	W	75.3°	58.7°	43.2°
		T	22.9°	18.4°	13.8°
Optical Distortion			-76.4% ~ -3.85%
CRA			<= 8° (W)   <=9.43° (T)
M.O.D.			0.3m
Dimension			Φ34x44.65mm
Weight			62g
Flange BFL			12.53mm (in air)
Back focal length			7.15~13.05mm (in air)
MBF			7.1mm (in air)
Operation	Iris		DC
	Focus		Manual
	Zoom		Manual
Operating temperature			-20°C~+60°C
Size
Size tolerance(mm):	0-10±0.05		10-30±0.10	30-120±0.20
Angle tolerance			±2°