KCW Technica are now stocking DSLRstudio Canon lens adapters. Pick the Canon EF lens adapter that suits your older lens and then run through the videos to see the KCW Technica testing of the lens adapter. Or press play on all of the videos at once and crank the volume up for some trippy music.
Canon FD Non-AF to Canon EF
M42 AF Confirm to Canon EF
M42 Non AF Confirm to Canon EF
Minolta MD AF Confirm to Canon EF
Nikon F AF Confirm to Canon EF
Nikon F Non-AF Confirm to Canon EF
Olympus OM to Canon EF
Pentax PK to Canon EF
Please see DSLRstudio for more on their DSLR lens adapters.
Also swing on by KCW Technica to grab yourself a new lens adapter.