JP2007329689A5 - - Google Patents

Claims (7)

In the imaging device,
A zoom lens that forms an image of a subject on an image sensor under the drive of an actuator ;
Image signal extraction means for extracting an image signal from a predetermined area of the image sensor;
Recording means for performing image processing and recording of the image signal extracted by the image signal extraction means;
An angle-of-view switch that switches the angle of view,
An angle-of-view switching control means that prioritizes switching of an image extraction area by the signal extraction means in response to an operation of the angle-of-view switching switch, and then enlarges the image extraction area while performing an angle-of-view switching by the zoom lens. When,
An imaging device comprising: The angle-of-view switching control means sets the speed of the actuator for angle-of-view switching by the zoom lens that is performed along with the enlargement of the image extraction area to a speed slower than the speed of the actuator at the time of angle-of-view switching only by the zoom lens. The imaging apparatus according to claim 1, wherein: The angle-of-view switching control means monitors the output result of the image sensor when the actuator is driven, and detects the discontinuous movement of the zoom lens due to the back of the actuator , etc., and controls the image extraction area of the image sensor. The image pickup apparatus according to claim 1, wherein the discontinuous movement of the zoom lens of the actuator is canceled out. Zoom shooting is performed using both optical zoom, which is performed by switching the shooting angle of the subject image formed on the image sensor under the driving of a zoom lens, and electronic zoom, which is performed by switching the image extraction area from the image sensor. In the photographing method of the photographing apparatus ,
A shooting method characterized by prioritizing switching of an image extraction area by electronic zoom and enlarging an image extraction area by electronic zoom while switching a shooting angle of view by optical zoom. Until time T1, only the image take-out area is switched by electronic zoom and T1 is set to full zoom.
  5. The photographing method according to claim 4, wherein the optical zoom for switching the photographing angle of view is started by turning the actuator from off to on at T1, and the enlargement ratio is maintained by enlarging the image extraction area by electronic zoom after the lapse of T1. 5. The photographing method according to claim 4, wherein an image extraction area by electronic zoom is reduced at a rapid stage in the initial stage, and gradually reduced toward time T1, and the full zoom is achieved by T1 only by electronic zoom. The initial state is the full zoom state by switching the image extraction area with electronic zoom.
  5. The photographing method according to claim 4, wherein switching of a photographing field angle of photographing by optical zoom is started from an initial state of full mood, and an enlargement ratio is maintained by enlarging an image extraction area by electronic zoom.