초록 ▼

An automatic focusing device which is capable of movably setting within an image sensing plane a focus detecting area for detecting the focused degree of an object image formed on the image sensing plane by a photo-taking optical system comprises a position detecting circuit for detecting the positi

An automatic focusing device which is capable of movably setting within an image sensing plane a focus detecting area for detecting the focused degree of an object image formed on the image sensing plane by a photo-taking optical system comprises a position detecting circuit for detecting the position of an object within the focus detecting area, a computing circuit for computing on the basis of information from the position detecting circuit a setting position for setting the focus detecting area, and a control circuit which is arranged to move the focus detecting area according to the output of the computing circuit and to vary and control at least one of the size, the moving range and the moving response speed of the focus detecting area according to information on the depth of field of the photo-taking optical system.

대표청구항 ▼

An image processing apparatus, comprising: a) setting means for movably setting a detecting area in an image screen; b) detecting means for detecting a predetermined information obtained within said detecting area; c) computing means for computing a setting position of said detecting area; and d) co

An image processing apparatus, comprising: a) setting means for movably setting a detecting area in an image screen; b) detecting means for detecting a predetermined information obtained within said detecting area; c) computing means for computing a setting position of said detecting area; and d) control means arranged to move said detecting area on the basis of an output of said computing means and to control and vary the movable range of said detecting area in said image screen and/or the moving response speed of said detecting area on the basis of information on a depth of field.