Length: 1.8MM Angle of View: 180 degree Image Format: 1/2.5 Aperture: F2.0 Mount: M12 *0.5 Size about: 20 * 19mm W: 20g Package Contents: 3 x 5MP-1.8MM Lens Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Excellent optical design to that the residual aberration can be well reduced, the overall transmission rate increased significantly, VR all series of network HD can be installed Real HD Lens coating is very uniform, effectively improve the color reproduction, in order to improve the clarity of the image. the use of broadband multi-layer coating, to maximize the tail and flash the backlight suppression occurs Phenomenon, but also can effectively reduce the reflective loss of the lens, eliminating the better ghosting, glare, spot;