Viewfinder for tv camera use

Details Viewfinder for tv camera use Viewfinder for tv camera use

H - Electricity

04

N

350/40

H04N 5/225 (2006.01) H04N 5/232 (2006.01)

Patent

CA 1244126

VIEWFINDER FOR TV CAMERA USE Abstract The picture signal to be displayed on the viewfinder is corrected so as to be adaptive to the spatial frequency performance of visual system at close viewing distance of about three times of the viewing screen height. As a result, the luminance or the coloring of edge portions of the viewed picture is clearly emphasized and hence accurate and rapid focusing of pickup lens provided in any kind of TV camera is facilitated without conventional trial and error.

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