Patent ID: 7259921
Filing Date: 2007-08-21
Classification: G02B

Abstract:
1. An adjustable object lens device comprising: an outer barrel having a barrel wall that surrounds an optical axis and that confines a compartment; a rotary component including a control ring that surrounds the optical axis and that is coupled movably to said barrel wall so as to be able to translate along the optical axis; an object lens unit disposed movably in said compartment of said outer barrel, said object lens unit including a lens barrel that surrounds the optical axis, and an object lens component that is mounted in said lens barrel; a decorative unit including a decorative ring that surrounds the optical axis and that is coupled to said rotary component; and a limiting unit including a press ring that is movably retained in said decorative ring so as to be adjustable along the optical axis, and a biasing member disposed in said compartment of said outer barrel; wherein said lens barrel of said object lens unit has opposite barrel ends that abut respectively against said press ring and said biasing member.