Lens array, lens unit, LED head, exposure unit, image formation apparatus, reading apparatus, mold for molding lens array, and method for manufacturing lens array

摘要

A lens array includes: at least one lens including a first lens surface and a second lens surface. The first lens surface is formed to tilt at a predetermined tilt angle with respect to the second lens surface. The first lens surface is formed to be eccentric by an eccentric distance in such a direction that the optical axis of the second lens surface and an optical axis of the first lens surface intersect on a side of the first lens surface.

主权项

1. A lens array comprising:
a lens including a first lens surface and a second lens surface, wherein the first lens surface is formed to tilt at a predetermined tilt angle with respect to the second lens surface, and the first lens surface is formed to be eccentric by an eccentric distance in such a direction that the optical axis of the second lens surface and an optical axis of the first lens surface intersect on a side of the first lens surface, wherein the eccentric distance is determined such that a distance of displacement of an image due to a tilting of the first lens surface substantially matches a distance of displacement of an image due to an eccentricity of the first lens surface.