On Sun, Jan 21, 2001 at 09:22:51PM -0800, Skip wrote:

> that the 28-135, 75-300 and 100-400IS are not
> recommended for use on a tripod with the IS turned on.  I've done it,
> inadvertently, with no ill affects, but I guess the theory is that the
> lack of movement may encourage the IS elements to create some of their
> own.  Of course, if you are in a high wind, or on a slightly unstable
> platform, the IS may prove to be a help.  The fixed focal length IS
> lenses, 300 2.8 and 5.6, 400, 500 and 600 are all tripod compatible, I
> think.

I don't think there's a 300/5.6IS, but the 300/4L IS is no more 
tripod-compatible than the 100-400L IS is. Only the latest
batch, 300/2.8, 400/2.8, 500/4 and 600/4, have officially
tripod-compatible IS.

-- 
Tapani Tarvainen
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