What is the difference between EF and AF? One?

Uncertainty caused by Tine: Whats the difference between EF and AF? Is there one?

OOKK, sorry for posting so many questions, hopefully someone can help me. I have a Canon Rebel XT camrea and now i would like to purchase a new lens. On my current lens it says, that it is an EF-S lens and the lens i am interested in, says its something with AF. Does that only stand for Autofocus or does that actually has something to do with the compatibility of the lens and the camera???

Thank you

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Answer by Petra_au

All of Canon’s current lenses are compatible with the Rebel XT….They are called EF-S and EF.

As far as I know, AF just means auto focus.

Answer by TomTom

when I have a question about lenses

I go to adorama.com

and type in the name of the camera

Answer by lenslenders

Twenty years ago, when autofocus technology was getting affordable enough for regular photographers to buy, Canon created a brand new lens mount and named it “EF”. Every Canon digital SLR uses the Canon “EF” lens mount.

The “EF-S” means the lens is designed for the APS-sized digital sensors. Not the bigger, “full frame” Canon models. An EF-S lens can only be used on a EF-S digital camera.

You can, however, also use a common Canon EF autofocus lens on your Rebel XT too.

Your local camera store can help you. Bring your camera to your local camera store and give the lens a try. This is exactly the value of getting to know the people at your local camera store.

–

http://www.lenslenders.com

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What is the difference between EF and AF? One?