Tom Pfeiffer wrote:
>
> Perhaps because the 1n is a 10 year old body that was
> introduced only 5
> years after the first EOS? The 1v and 1d certainly have
> problems with older
> lenses from Sigma.
------------------------------------------------------------
Interesting point Tom. The only common element in the compatibility
issues are teh Eye focus control. The EOS IIe, which I believe was the
EOS 50e outside North America, was the first to experience compatibility
issues. Then the EOS3, and later the EOS 7e. I do not believe the 1V
had issues.
The Sigma lenses that are affected are only the non-HSM lenses. Their
HSM lenses apparently use a different chip set that does not experience
incompatibility issues. Tokina has also had issues, all related to ECF.
Peter K
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