作者: Ishizuka Kazunobu , Nomura Hiroshi
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摘要: PROBLEM TO BE SOLVED: To provide a lens holding structure which is excellent in space efficiency, simple structure, and easy tilt correction of group. SOLUTION: A to fit hold member an outer cylindrical body, provided with energizing means 17 move energize the either direction optical axis locking pawl 21a lock body against 17, fixing hole 11b engaged on one circumferential surface other approximately equal angular intervals, washer 30 relative selectively engaging manner plurality parts holes 112b pawls each other.