EF-S vs EF lens

Started Aug 11, 2012 | Discussions thread
meatatarian Junior Member • Posts: 30
Re: EF-S vs EF lens

Inthebag wrote:

Does anyone know if you can mount a EF-S lens onto an extension tube, like the EF12 II, and then mount that onto a full-frame body?

You certainly can, but it's not very useful. You'll get horrible vignetting depending on the lens. Also, you will likely not be able to access the full range of focusing (macro -> infinity).

mvmv wrote:

I read that some third party lenses for Canon APS-C can be also mounted to FF, any experiences?

Yes, you can for most if not all of them. The best example of this is the Tokina 11-16 f/2.8. It can be mounted to a full frame camera and be shot with minimal vignetting at 16 mm f/2.8. It's quite remarkable really. However, 9 times out of 10, mounting any dedicated APS-C lens on a full-frame is a waste since you'll get horrible vignetting.

 meatatarian's gear list:meatatarian's gear list
Canon EOS 5D Mark II Canon EF 28mm f/1.8 USM Canon EF 50mm f/1.4 USM Canon EF 17-40mm f/4.0L USM Canon EF 70-200mm f/4.0L USM +1 more
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