To provide a focus display device which enables a photographer to carry out focusing with high accuracy while recognizing a focusing position in focusing, etc., by a manual focus by displaying the focus information indicating a focus state to a viewfinder of a camera.
An imaging device A for picking up an image for recording is provided with two imaging devices B and C varying in optical path lengths and the incident subject light on the imaging device A is split and is made incident on these imaging devices B and C. Focus evaluation values are acquired from the video signals from the imaging devices B and C and in which state of a front focus, rear focus or focusing is the focus state is detected in accordance with the varying magnitude relation of the focus evaluation values and the results thereof are displayed as the focus information in the viewfinder 12.
JPH01177283 | FOCUS ADJUSTOR |
JP2019054348 | IMAGING APPARATUS, IMAGE PROCESSING APPARATUS, AND IMAGE PROCESSING PROGRAM |
JP2000180703 | RANGE FINDER |
WADA MASAO
INOUE TETSUJI
KUMAKI RYOJI
NAKAMURA SHINOBU
TOMINAGA HARUO
HORIGUCHI HIROYUKI
SUGIURA HIDEKATSU
SUGAWARA MASAYUKI
JAPAN BROADCASTING CORP