The lens of image capture angle big

摘要

Large angle lenses and apparatus of image capture. The wide-angle lens is disclosed that includes a front lens group and a rear group of lenses that are arranged in order from an object side to an image side, with an opening being arranged between the front lens group and the rear lens group.The front lens group includes at least two lenses arranged toward the side of the object that have positive powers, and at least one lens arranged toward the side of the image which has a negative power. The rear lens group includes at least one lens having a positive power.One of the lenses of the front lens group, arranged in order and the second side of the object has a face of lens which is arranged in a spherical surface lens group, the front, the opening and the rear group of lenses composing a system of formation of image having an angle of V On more than 100 degrees.