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![Canon EF lens mount - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_47.jpeg)
Canon EF lens mount - Wikipedia, the free encyclopedia
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日期:2024-08-07
Introduced in 1987, the EF lens mount is the standard lens mount on the Canon EOS family of SLR film and digital cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated ......看更多