Lens barrel having a flare diaphragm which can advance into and

Details Lens barrel having a flare diaphragm which can advance into and Lens barrel having a flare diaphragm which can advance into and

1997-11-26

1999-11-02

Epps, Georgia

Optical: systems and elements

Lens

With support

359704, 359739, 359740, G02B 702, G02B 1514, G02B 900

Patent

active

059781602

ABSTRACT:
In a lens barrel, a flare diaphragm is disposed on an optical path of lenses or in the vicinity thereof such that the flare diaphragm can advance into and retreat from the optical path for cutting deleterious light corresponding to the lenses moving in the direction of the optical axis. This lens barrel can reliably cut deleterious light flux in a simple structure.

REFERENCES:
patent: 5373397 (1994-12-01), Satoh
patent: 5376983 (1994-12-01), Yamazaki
patent: 5392160 (1995-02-01), Satoh

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