Real HD Lens Excellent optical design to that the residual aberration can be well reduced, the overall transmission rate increased significantly, 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, , spot; coating is very uniform, effectively improve the color reproduction, in order to improve the clarity of the image. VR all series of network HD can be installed 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: 1 X 5MP-1.8MM Lens Only the above package content, other products are not included. Note: Light 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.