The Canon made FD-EF mount was originally made for use by pro's who had
several of the long tele's and who would have been in a difficult position
to replace them immediately when the EOS came out. The mount was not
publicly available and is rather hard to find even now since it was not made
in large numbers.
Its performance was not intended to perfect for general use but should be
above that of say the Jolos Russian made optical element adapters (I am not
sure that Jolos actually address the FD-EF mount). It is best to leave this
adapter to the history books unless you have a dark side collection that is
incomplete otherwise ;)
Dan S.
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of chucknorcutt@xxxxxxxxxxxxxxxx
Subject: [OM] Re: canon 5d manual focus lenses which work well/poorly?
There is Canon EOS (auto focus) and Canon FD and earlier (manual focus).
There is 0 compatibility between them. It is possible to buy a third party
FD to EOS adapter but infinity focus requires an optical element such that
you end up with a very low power teleconverter. I've only encountered a
couple of people who have owned same. None were pleased. I believe Canon
made one as well for a short period after the EOS system was introduced but
I don't think it performed well either and didn't last long.
<snip>
Chuck Norcutt
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