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Photographing apparatus

專利號(hào)
US10027894B2
公開(kāi)日期
2018-07-17
申請(qǐng)人
RICOH IMAGING COMPANY, LTD.(JP Tokyo)
發(fā)明人
Masakazu Terauchi; Masashi Miyata
IPC分類
G03B17/00; H04N5/228; H04N5/335; H04N5/232; H04N5/217; H04N5/225; H04N5/238; H04N9/07; H04N101/00
技術(shù)領(lǐng)域
lpf,image,mtf,diaphragm,lens,sensor,resolving,slr,shake,filter
地域: Tokyo

摘要

A photographing apparatus includes a photographing optical system having a diaphragm and a photographing lens; an image sensor; a driver which drives a shake-correction member in a plane orthogonal to the optical axis to make the object-emanating light rays incident on pixels of the image sensor that have different in detection colors to obtain an optical low-pass filter effect, wherein the image sensor and/or a lens element-constitutes the shake-correction member; a retriever which retrieves information on an aperture diameter of the diaphragm and on a resolving power of the photographing lens; and a drive controller which varies a range of the pixels, having different detection colors and on which the object-emanating light rays are incident, in accordance with the information on the aperture diameter of the diaphragm and/or on the resolving power of the photographing lens to vary the optical low-pass filter effect.

說(shuō)明書(shū)

Additionally, in this embodiment of the digital SLR camera 10, the LPF effect can be turned ON and OFF by the user manually operating the low-pass filter operator 29. In addition, whether to give priority to a sense of resolution or the elimination of influences such as false color and moiré can be selected by carrying out the LPF effect level setting in accordance with the difference among objects and expressions of objects. For instance, it is also possible to turn OFF the low-pass filter operation of the image sensor oscillating circuit 33 and the image shake correcting apparatus 40 when false color and moiré are negligible because adding an LPF effect causes a reduction in sense of resolution, to turn ON the low-pass filter operation of the image sensor oscillating circuit 33 and the image shake correcting apparatus 40 when the occurrence of false color and moiré is troublesome even if a sense of resolution deteriorates, and to freely manually adjust the degree of effectiveness of LPF effect when the user desires to reduce false color and moiré though desiring a sense of resolution.

權(quán)利要求

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