| 摘要 |
PROBLEM TO BE SOLVED: To provide an ocular lens having high optical performance in spite of being lightweight.SOLUTION: An ocular lens includes a resin lens having an aspherical lens surface, and is composed of five or more lenses. Lenses made of a glass material are arranged respectively on an object side and an observation side of the resin lens. When an Abbe number having a line d of a material of the resin lens as a reference is νd, the ocular lens satisfies 5.0<νd<30.0.SELECTED DRAWING: Figure 1 |
