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The Leica M3 is a 35 mm rangefinder camera by Ernst Leitz GmbH (now Leica Camera AG), introduced in 1954. It was a new starting point for Leitz, which until then had only produced screw-mount Leica cameras that were incremental improvements to its original Leica (Ur-Leica). The M3 introduced several features to the Leica, among them the combination of viewfinder and rangefinder in one bright window, like on the Contax II, and a bayonet lens mount. It was the most successful model of the M series, with over 220,000 units sold by the time production of the M3 model ended in 1966. It was succeeded by a number of later M series cameras, including the M7 film camera which is still in production today.〔("The modern Classic" ), Leica website〕 ==Mount== This new bayonet mount, which has not been changed in the following half century, is called the Leica M-mount. Lenses are changed faster than with a screw mount, and framelines set automatically. Non-Leitz/Leica bayonet-mount lenses can also be used (although none were produced in any quantity while the M3 was sold), and a simple adapter also allows the use of screwmount lenses (whether from Leitz or other companies). Image:Leica M3 mg 3614.jpg|Two M3s fitted with 50mm and 90mm collapsible lenses Image:Leica M3 chrome Singlestroke with Leica-Meter M und Elmar f=5cm 2,8 M39.jpg|Leica M3 chrome Single-stroke with Leica-Meter M, Booster and collapsible Elmar f=5cm 1:2,8 M39 lens with M-adapter 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「Leica M3」の詳細全文を読む スポンサード リンク
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