Patent ID: 6229656
Filing Date: 2001-05-08
Classification: G02B

Abstract:
A compound lens comprising:a glass made lens having a first curved surface portion; anda synthetic resin made lens having a second curved surface portion along the first curved surface portion of the glass made lens and the second curved surface portion being press fitted to the first surface portion of the glass made lens to unite them in one body;wherein, a height of the glass made lens denotes Dg and a height of a fitting portion of the synthetic resin made lens denotes Dp, and when the second curved surface portion of the synthetic resin made lens is press fitted to the first curved surface portion of the glass made lens to unite them in one body, the synthetic resin made lens is formed with the correlation of Dp<Dg so that the shape of the second curved surface portion becomes the same as the shape of the first curved surface portion.