Photographic lens for electronic still camera

Abstract

A photographic lens for an electronic still camera having five lens components, with refractive powers in sequential order from the most object side, as follows: negative, positive, positive, negative and positive. A stop is positioned between the second lens component and the third lens component. The photographic lens has a short overall length, a wide angle of view, a large numerical aperture, and high resolution as a result of the lens being favorably corrected for aberrations. The first lens component includes at least one ashperical surface, the second lens component has a convex surface on the image side, the third lens component has at least one aspherical surface, and has a convex surface on the image side. The fourth lens component has a concave surface on the object side, and the fifth lens component has a convex surface on the image side.

Dependencies are inferred from the claim text.