LENS HOLDING PART STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide lens holding part structure which firmly holds a converter lens. SOLUTION: A principal lens system 20 is held in a lens barrel 30. A nearly semicircular converter lens 40 is disposed in front of the lens system 20. A converter lens holding body 50 is constituted such that a ring part 52 externally fit on the lens barrel 30 is integrally formed on a converter lens holding part 54 holding the lens 40. By externally fitting and fixing the ring part 52 on the lens barrel 30, the lens 40 is disposed and held at the front position of the lens system 20. COPYRIGHT: (C)2005,JPO&NCIPI