Yep, I'm sick...taking the rear off a Minolta MD Rokkor-X 45mm f/2 lens and turning it down on a lathe 
Just finished it this evening...taking it for a test drive in more light tomorrow:
Turning:
Final Product (taken with a Canon 40D and Minolta MD Rokkor-X 50mm f/1.4 @ 5.6):
Sample shot using the lens on a Canon 5D Mark II:
I like it...small, light, and relatively fast
















