Lens barrel

Details Lens barrel Lens barrel

1997-05-29

1998-09-15

Ben, Loha

Optical: systems and elements

Lens

With support

359811, 264 11, G02B 702

Patent

active

058088172

ABSTRACT:
Disclosed is a lens assembly constructed of lenses and a lens frame for holding the lenses at predetermined intervals to make optical axes of the lenses coincident. Space walls contacting face-to-face lens surfaces of the two lenses to keep a spacing therebetween are integrally provided in at least three positions at equal intervals in the peripheral direction along an inner peripheral portion of the lens frame. Inner peripheral wall portions for holding at least two lenses in the lens frame, are formed by one of molding dies.

REFERENCES:
patent: 4303306 (1981-12-01), Ookawa
patent: 4506951 (1985-03-01), Yamada
patent: 5177641 (1993-01-01), Kobayashi et al.

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