Patent ID: 8675121

Claim:
A camera comprising: first focus detection means for detecting a focus of a photographing lens, wherein the first focus detection means includes first pupil-dividing means for guiding light beams having passed through different pupil regions of the photographing lens, and wherein the first focus detection means detects the focus of the photographing lens by using light beams guided by the first pupil-dividing means; and second focus detection means for detecting a focus of the photographing lens on an image plane where an image is recorded, wherein the second focus detection means includes second pupil-dividing means, and wherein the second focus detection means detects the focus of the photographing lens by using light beams guided by the second pupil-dividing means, wherein the first focus detection means detects the focus of the photographing lens using a correction value stored in the photographing lens, and wherein the second focus detection means detects the focus of the photographing lens using the correction value.