There is no EF-S to EF converter, but why not??

Started Jan 21, 2009 | Discussions thread
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Jair Rivera
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There is no EF-S to EF converter, but why not??
Jan 21, 2009

I´ve read a lot about it, and most articles/posts state that it is imposible to use this EF-S lenses on a FF body for two main reasons:

1.- The back of the lens would be stuck on the inside of the body and the mirror would hit it.

2.- Most importantly the image would result in a vignetted image which could not be used.

So im guessing why they haven done this???: (photos only illustrative purposes)

What would happen if we put the EF-s lens on a FF body:

And the converter i can imagine (it should allow focus at infinity):

Let me know what you think about all this...

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