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The Canon 7 was a rangefinder system camera produced by Canon Inc., the last compatible with the Leica M39 lens mount. It was introduced in September 1961, with an integrated Selenium meter cell. Further versions, branded Canon 7s and Canon 7s Type II (or Canon 7sZ), modified the design slightly by introducing a cadmium sulfide cell. The Canon 7 came as the first Canon reflex cameras were already on the market, but it was felt that there was a need for a fast-shooting rangefinder camera for reportage. In this niche, the Canon 7 came into direct competition with the Leica M3. Some Canon 7s were sold in the USA as a Bell & Howell; the Canon/Bell & Howell partnership lasted until 1975. == External links == * * (Canon RF Camera Price & Info Guide ) * (Canon 7/7s/7sZ ) on cameraquest.com * (Canon 7 ) by Karen Nakamura * (Canon 7 ) on Canon Camera Museum * (Canon 7 User manual ) on butkus.org 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Canon 7」の詳細全文を読む スポンサード リンク
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