Are you using a Canon lens or looking for a new Canon lens? If yes, then you would have come across EF vs EF-S vs EF-M vs RF lens mounts. If you are a newbie in photography, then it might confuse a bit. So, I will try to explain all these four Canon lenses in detail in this article. It will help you to select the right lens for your Canon camera. These are things that no photography classes will teach you.

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