发明名称 DIGITAL CAMERA SYSTEM
摘要 The present digital camera system includes a camera body and an interchangeable lens barrel. The camera body contains an image pickup device with an imaging range Ri, and the interchangeable lens barrel is removably attached to the camera body. The mount opening portions of the interchangeable lens barrel and camera body includes openings equal to or larger than a square opening range Rm formed by connecting ends of segments Sd tilted from the four corners of an imaging range Ri diagonally to the outside by 12 degrees to 14 degrees and extended to a flange back FB position. The circumscribed circle diameter Dm of the mount opening portion is 1.8 times or larger of the circumscribed circle diameter Di of the imaging range Ri. The digital camera system can provide an interchangeable lens and digital camera body reducible in size without deterioration in amount of peripheral light.
申请公布号 US2004252991(A1) 申请公布日期 2004.12.16
申请号 US20030465410 申请日期 2003.06.19
申请人 OLYMPUS OPTICAL CO., LTD. 发明人 KAWAI SUMIO;OGATA YASUZI
分类号 G02B7/02;G02B7/04;G03B17/14;H04N5/225;H04N101/00;(IPC1-7):G03B17/02 主分类号 G02B7/02
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