| 摘要 |
PROBLEM TO BE SOLVED: To accurately hold a lens posture during lens assembling in a lens holding frame and facilitate processing.SOLUTION: A lens holding frame 3 comprises: a cylindrical frame part 3A storing a lens inside thereof and extending along a center axis line C for adhesion of an outer periphery of the lens; a tabular part 3B protruded from an inner peripheral surface 3a of the frame part 3A to the inside; holding parts 3b projecting in the direction along the center axis line C at three positions apart in a circumferential direction around the center axis line C on a surface 3d of the tabular part 3B and arranged on an abutting flat surface which defines a lens posture; and auxiliary holding parts 3c projecting in the same direction as the holding parts 3b from the surface 3d of the tabular part 3B up to the height not reaching the abutting flat surface.SELECTED DRAWING: Figure 4 |
