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Image pickup apparatus and focus detection apparatus

A focus detection and photography device technology, applied to TV, color TV parts, TV system parts, etc., can solve the problem that the AF sensor cannot detect the subject

Inactive Publication Date: 2009-07-01
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is also a problem that the process of detecting the feature points of the subject shape to find the subject image (so-called image recognition process) cannot be performed only with the AF sensor of the phase difference method adopted in the first observation method.

Method used

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  • Image pickup apparatus and focus detection apparatus
  • Image pickup apparatus and focus detection apparatus
  • Image pickup apparatus and focus detection apparatus

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Experimental program
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Embodiment Construction

[0058] The present invention is not limited to this embodiment, and various modifications can be made without departing from the gist of the present invention.

[0059] Hereinafter, preferred embodiments of the imaging device and focus detection device of the present invention will be described in detail with reference to the drawings.

[0060] figure 1 It is a block diagram showing the overall configuration of a photographing apparatus according to an embodiment of the present invention.

[0061] In this figure, the main component structure of the photographing apparatus (here, an electronic camera) of this embodiment includes: a body system 100; and an interchangeable lens system 10 that can be freely attached, detached and replaced with respect to the body system 100.

[0062] The body system 100 is a main part of the focus detection device of the present invention, and has a system controller 50 that controls the entire electronic camera. The system controller 50 is composed...

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Abstract

The present invention relates to a camera shooting device and a focus testering device. The camera shooting device can reliably detect the image of detected object and aims at the shot object. In the processing of step (S14) after the real-time view finding action is started, the control metlhod of focus regulating action is selected according to the focus detection information. When a phase difference mode is set in the detection mode of focus detection information, the defocusing amount of AF sensor unit (16) is used for regulating the focus from the step (S115). When a contact ratio mode is set, the focus regulation of contact ratio mode is executed from a step (S149). When the camera shooting device is set to non-detectable, the photographic lens is driven from a nearest end to the infinite end and the processing of shot object which can be executed with focus regulation is found out from the output of AF sensor unit (16) or the output of camera shooting component (20) from a step (S160).

Description

Technical field [0001] The present invention relates to a photographing device and a focus detection device, and more particularly to a photographing device and a focus detection device that adjust a subject image acquired by an imaging element to an electronically observable focus. Background technique [0002] Conventionally, in a single-lens reflex camera (DSLR: Digital Single Lens Reflex Camera), for example, in the case of the DSLR disclosed in Patent Document 1, there is a first observation method that allows an optical viewfinder to observe the subject, and The second observation method is to observe the image data obtained by the image sensor through the display monitor. In the first observation method, the focus can be focused on the subject in a short time by performing the focus adjustment operation of the phase difference method. on. In addition, in the second observation mode, a so-called live view operation using a display monitor can be performed (therefore, it is ...

Claims

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Application Information

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IPC IPC(8): H04N5/232
Inventor 伊藤顺一
Owner OLYMPUS CORP