Shading device of a camera having collapsible bellows-like shadi

Details Shading device of a camera having collapsible bellows-like shadi Shading device of a camera having collapsible bellows-like shadi

1996-05-06

1999-03-02

Metjahic, Safet

Photography

Folding or collapsible camera

396341, G03B 1704

Patent

active

058782958

ABSTRACT:
A shading device of a camera having shading bellows which is collapsible in interlocking motion with an imaging-lens barrel movable in the direction of its optical axis and which is provided between the front side of the aperture of a camera body and the imaging-lens barrel, wherein the relationship L1/L0<L0/L2 holds where L0 represents the free length of the shading bellows when it is formed, L1 represents the maximum length of the shading means expanded in the direction of the optical axis and L2 represents the minimum length of the shading means contracted in the direction of the optical axis.

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