20D and loose fitting Sigma 70-200 2.8 EX

[Kenh]

Is this normal? I just got a new 20D and a new Sigma 70-200 2.8 EX. So far the images seem fine but the lense feels loose in the camera mount. Is there a way to fix it or do I just need to get used to it?

I switched from Pentax to Canon and never had a lense feel loose in the Pentax mounts.

Ken