Camera
A camera and shutter technology, applied in the field of cameras, can solve the problems of long delay and time-consuming ranging, and achieve the effect of shortening the delay and high-speed driving.
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[0027] Hereinafter, a preferred embodiment using a digital single-lens reflex camera to which the present invention is applied will be described based on the drawings. figure 1 It is a block diagram of the internal structure along the optical axis direction of the photographic lens in the internal structure of the digital single-lens reflex camera according to an embodiment of the present invention.
[0028] A movable mirror 201 is arranged in the mirror box of the camera body 200 on the optical axis of the photographic optical system 101 arranged inside the interchangeable lens 100. The movable mirror 201 can be rotated between a reflecting position and a retracted position. The reflecting position is inclined 45 degrees with respect to the optical axis of the photographic optical system 101 in order to reflect the subject light beam to a viewfinder optical system such as a pentaprism 207. The retreat position is a position retreated from the imaging optical path in order to gui...
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