Here you can find interesting links
With these kits it is possible to use vintage Canon FD(n) lenses on your Canon EOS body without the use of an adapter containing correctional glass. The mount and part of the aperture system is replaced by a very high grade polymer.
A website dedicated to photography with vintage lenses with performance no DSLRs and characteristic in mind.
Marcs writing style is unique. His words are placed together as art and the blog entries are completed with photographs of his own with characterfull vintage lenses which he loves.