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Canon 15-85mm EF-S Compatibility On Full Frame 5D Mark IV

by Sandy Shinn
(Vero Beach Florida)

Canon EF-S 15-85mm Lens

Canon EF-S 15-85mm Lens

"Hi, I recently upgraded to a Canon Mark IV 5D. I did not realize that my 85mm EFS lens will not work with this camera. Is there an adapter so this Canon 85mm EFS with work with the Canon 5D?

thanks,

Sandy Shinn"

Hi Sandy!

Thanks for asking about an adapter to fit an EF-S lens to your Canon 5D Mark IV. The quick answer is no, you can't make the smaller EF-S lens mount fit on a full frame camera like the 5D series of Canon DSLR cameras.

There are adapters that will allow fit both your EF-S and larger EF lenses to Canon "R" mirrorless cameras, but that doesn't help you.

You will find a short article very helpful to understand the differences between EF and EF-S lenses and the cameras they go with here. I also made a short YouTube video explaining the difference between EF and EF-S lenses which is in that article or you can go directly to that video here.

Additionally, I have a guide to all Canon lenses and their compatibility which you can read here.

85mm Lens Compatibility

You mentioned an 85mm EF-S lens and I'm assuming you meant either the EF-S 15-85mm or the EF-S 17-85mm for your 5D Mark IV. Either way, you can't fit an EF-S lens, which is designed for APS-C "crop" Canon cameras.

A great alternative is the EF 85mm f/1.8 prime lens for your 5D Mark IV. It's light. It's very sharp, even wide open, and there are a ton of them in great condition on the used market. I'm a big fan of the 85mm lens on my Canon 5D Mark III. See the adv. for KEH used Canon gear on this page.

Good luck. I hope this helps. Please let me know if I answered your question sufficiently.

Thanks so much, Sandy.
Bruce

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The good news is that the (Canon) 5d mk 4 is a stunning camera!!

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