JP2005292525A5 - - Google Patents

Claims (7)

An image sensor that photoelectrically converts a subject image formed by a light beam from a photographing lens;
A finder optical system that enables optical observation of a subject image by the luminous flux;
A mirror unit that is driven to switch between a first state in which the light beam is reflected toward the finder optical system and a second state in which the light beam is transmitted toward the imaging element;
Photometric means for performing photometry using a reflected light beam from the mirror unit;
Control that performs photometry using the output signal from the photometry means when the mirror unit is in the first state, and performs photometry using the output signal from the image sensor when in the second state And an imaging device. Operating means for instructing switching between the first and second states;
Whether the control means drives the mirror unit based on a signal from the operation means and performs photometry using an output signal from the photometry means or photometry using an output signal from the image sensor The imaging apparatus according to claim 1, wherein: A finder shutter for opening and closing the optical path of the finder optical system;
Driving means for opening and closing the finder shutter,
3. The image pickup apparatus according to claim 1, wherein the control unit drives the driving unit to close the finder shutter when the mirror unit is driven to the second state. 4. A focus detection unit that detects a focus state of the photographing lens using the light beam;
Said first state, Ri state der for reflecting said light beam to said finder optical system and the focus detection unit, the second state, the focal point and to reflect towards the light flux on the image sensor the imaging apparatus according to any one of claims 1, wherein the state der Rukoto for reflecting the detection means 3. The mirror unit includes a first mirror member that reflects a part of the light beam and transmits the remainder, and a second mirror member that reflects the light beam transmitted through the first mirror member,
In the first state, the first and second mirror members are disposed in the optical path of the light beam, and in the second state, the first mirror member is disposed in the optical path and the second A mirror member is retracted from the imaging optical path;
The imaging apparatus according to claim 4 , wherein the first and second mirror members are retracted from the optical path during an image recording operation .   The imaging apparatus includes mode setting means capable of setting a plurality of shooting modes including a remote shooting mode and a self-timer shooting mode, and the control means includes at least one of the remote shooting mode and the self-timer shooting mode. The imaging apparatus according to claim 3, wherein the viewfinder shutter is closed in response to one of the settings. The imaging device according to any one of claims 1 to 6,
  An imaging system comprising an imaging lens attached to the imaging apparatus.