Patent ID: 9229215
Filing Date: 2016-01-05
CPC Classification: G02B

Claim Text:
1. An ocular lens comprising: in order from an object side, a first lens group; a second lens group; and a third lens group having positive refractive power, wherein the first lens group has, in order from the object side, a first lens component having negative refractive power in a shape having a concave surface facing a viewer's eye side, a second lens component in a meniscus shape having a convex surface facing the object side, and a third lens component having positive refractive power, the second lens group has a lens component having a convex surface facing the viewer's eye side, an object side focal plane of the third lens group is positioned between the second lens group and the third lens group, and a condition in the following expression is satisfied: where f denotes an overall focal length, and f