Battery-powered autofocus from 1981?

This crazy 1980s lens from Canon might Look like some monster from 1980s Doctor Who but that's because it does something Pretty special it has its own autofocus Motor built into the lens itself this Battery powered monster can auto focus Itself even when it's not attached to a Camera back in the day Canon were using That old FD camera mount system which Wasn't really capable of proper Autofocus so this was their rather Clunky solution trying to actually used The autofocus on this thing is a Complete and utter living nightmare but Back in the day it was better for casual Photographers than nothing at all and if You want to impress or confuse your Photography buddies with this thing on Your camera then check out the link to My full review in the description below