Focus detecting apparatus and image pickup apparatus

Details Focus detecting apparatus and image pickup apparatus Focus detecting apparatus and image pickup apparatus

2011-02-01

2011-02-01

Chan, Jason (Department: 2622)

Television

Camera, system and detail

Optics

C396S104000, C348S208120

Reexamination Certificate

active

07880799

ABSTRACT:
A focus detecting apparatus includes a splitter for splitting a light from an image pickup lens to form at least a pair of images, a photoelectric conversion element for photoelectrically converting at least the pair of images, the focus detecting apparatus detecting a focusing status of the image pickup lens based on a signal from the photoelectric conversion element, and a light blocking mask for blocking the light from entering the photoelectric conversion element, the light blocking mask having a curve shape in a moving direction of the image that varies according to an image height.

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