LENS HOLDER, METHOD FOR MANUFACTURING LENS HOLDER, METAL DIE FOR PRODUCING LENS HOLDER AND OBJECTIVE LENS DEVICE

摘要

A LENS HOLDER WHICH IS ABLE TO SECURE PLURAL LENSES IN AN ADJUSTMENT- FREE FASHION AND TO ACHIEVE RELATIVE POSITIONING BETWEEN THE LENSES TO HIGH PRECISION. TO THIS END, A FIRST REFERENCE SURFACE FOR THE OPTICAL AXIS DIRECTION (4A1) AND A SECOND REFERENCE SURFACE FOR THE OPTICLA AXIS DIRECTION (4B1) OF A SECOND MOUNTING PORTION (4B) ARE FORMED TOWARDS THE OBJECT POINT SIDE TO SERVE AS A REFERENCE SURFCAE FOR DETERMINING THE SEPARATION ALONG THE OPTICAL AXIS BETWEEN THE FIRST AND SECOND LENSES (2, 3) THE FIRST REFERENCE SURFACE FOR THE OPTICAL AXIS DIRECTION (4A1) AND THE SECOND REFERENCE SURFACE FOR THE OPTICAL AXIS DIRECTION (AB1) ALSO OPERATE FOR CONTROLLING THE TILT OF THE LENSES (2,3). FIG 1.