Panasonic LUMIXレンズ LUMIX G X VARIO PZ 14-42mm F3.5-5.6 POWER O.I.S. (H-PS14042)の分解・修理(後ろ玉のカビ取り) repair of H-PS14042 (LUMIX G X VARIO PZ 14-42mm F3.5-5.6 POWER O.I.S.)