Large-target-surface high-definition prime lens

The utility model provides a high-definition prime lens with a large target surface, which comprises a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens and an eleventh lens which are arranged from an object side to an image side. The visual field of the lens and the target surface of the sensor can be expanded. The large-target-surface high-definition prime lens provided by the utility model solves the problems of small target surface, small aperture and poor environmental adaptability in the existing market, and is composed of a plurality of existing lenses, so that the cost can be effectively controlled, the effective field angle can reach 36.6 degrees, the aperture can reach f2.6, the large-target-surface high-definition prime lens can be matched with a 1/4 ''CCD (Charge Coupled Device) at most, and the pixel can reach 20 million. 本实用新型提供的一种大靶面的高清定焦镜头，包括从物侧至像侧设置的第一透镜、第二透镜、第三透镜、第四透镜、光阑、第五透镜、第六透镜、第七透镜、第