1Fixed focal-length, with an aperture of F2.0. Can make every detail very clear without missing any information and avoiding danger. 2Also support 1/2in image format, with the mount of M12, more convenient and practical. 3Support for 1MP HD high definition pixels, to have clearer image and a good visual feeling. 4High quality lens for most matching models, can meet your different needs. 5The wide field of view is 92, which gives you a complete visual to control the whole situation.