Focusing lens holding mechanism used in optical system

Details Focusing lens holding mechanism used in optical system Focusing lens holding mechanism used in optical system

1992-10-07

1995-11-07

Cuchlinski, Jr., William A.

Optics: image projectors

Lens support

Lens position adjustable

359811, 359813, 359819, G02B 702

Patent

active

054651263

ABSTRACT:
A focusing lens 24 is held with a holder 27. A mounting plate 28, and a coupling plate 29 are provided between the holder 27 and the base member 26 of an optical system 10. In one of three combinations of the holder 27 and the mounting plate 28, the latter 28 and the coupling plate 29, and the latter 29 and the base member 26, those forming the combination are set in such a manner as to be movable relative to each other for adjustment of the length of an optical path of the focusing lens; in another of the three combinations, those forming the combination are set in such a manner that the components are movable relative to each other for adjustment of the optical axis of the focusing lens; and in the remaining combination, those forming the remaining combination are fixed in such a manner as to be movable relative to each other for adjustment of the resolving power balance of the focusing lens.

REFERENCES:
patent: 2968217 (1961-01-01), Ewald
patent: 3301129 (1967-01-01), Henriksen
patent: 4183636 (1980-01-01), Besenmatter et al.
patent: 4655548 (1987-04-01), Jue
patent: 5194993 (1993-03-01), Bedzyk

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