Camera having depth of focus indicating means

Details Camera having depth of focus indicating means Camera having depth of focus indicating means

1981-04-06

1982-07-27

Hix, L. T.

354198, G03B 308, G03B 1720

Patent

active

043414516

ABSTRACT:
A device for indicating the depth of field of a camera having aperture setting means and range setting means. The device comprises a plurality of optically active elements positioned for view in the camera viewfinder and scale means associated with the optically active elements. Means are also provided which are responsive to the camera aperture setting and the range setting to select adjacent ones of the optically active elements to indicate the depth of field.

REFERENCES:
patent: 4219261 (1980-08-01), Rosner et al.

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