Canon EF lens mount

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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Arts and letters

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What Wikipedia says

The EF lens mount is the standard lens mount on Canon’s EOS family of cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated electric motor built into the lens.

Excerpt from the Wikipedia article “Canon EF lens mount”, under the CC BY-SA 4.0 license. Read the article on Wikipedia