撮像光学系及び撮像装置

Japanese Patent JP6836142

B2

PROBLEM TO BE SOLVED: To provide an image capturing optical system which features a wide angle and low height, and yet secures a distance between an image capturing surface and a last lens and is well corrected for aberrations.SOLUTION: An image capturing optical system substantially consists of a first lens L1 having positive refractive power, a biconcave second lens L2 having negative refractive power, a third lens L3 having at least one aspherical surface, a fourth lens L4 having at least one aspherical surface, and a fifth lens L5 having negative refractive power, at least one aspherical surface, and an inflection point other than an intersection with an optical axis AX, in order from the object side, and satisfies the following conditional expressions: 2