Are EOS EF-S Lenses Usable on EOS IX APS Camera

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panabiker - 28 Apr 2008 18:45 GMT

I am thinking of getting a cheap EOS IX body to use with my "digital"
lenses. I know the lens mount is the same and the coverage is
sufficient for APS-C. My question has to do with whether the rear
element of the EF-S would interfere with anything in the IX body.

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Fred Anonymous - 29 Apr 2008 18:19 GMT

>I am thinking of getting a cheap EOS IX body to use with my "digital"
> lenses. I know the lens mount is the same and the coverage is
> sufficient for APS-C. My question has to do with whether the rear
> element of the EF-S would interfere with anything in the IX body.

Hello panabiker.

I have a 350D digital body and the IX and IX7 APS bodies.

The IX uses Canon's standard EF mount. This will accept your EF lenses but
not the EF-S lenses that fit the 350D, 400D, 450D and similar digital
(smaller than full-size sensor) bodies.

Pity about this - it would indeed have been very convenient to use the EF-S
lenses with the APS bodies.

Regards, Ian.
Nottingham, England.

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Alienjones - 10 May 2008 08:04 GMT

EF-S lenses have a small (useless) flange on the back to prevent you using
them on FF cameras. I had a tech guy machine off the flange on one of my "s"
lenses to see what would happen on a 5D.

Terrible, absolutely terrible viganetting but croped down to the 1.6 factor
size it was intended for and it worked fine. It's a pretty common
modification and it had no effect on the lens other than to make it fit on a
EF mount.

As always with Usenet advise, your experiences may differ.
Decide for yourself if the risk to find out is worth it.

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