Canon Macrophoto Lens 20mm f/3.5 

Test my Canon Macrophoto Lens 20mm f/3.5

Good sharpness with good chromatic aberration control.
Big image circle that will cover full frame sensor.

Canon EOS-1D Mark IV
Canon Macrophoto Lens 20mm f/3.5
Canon Bellows FL
Canon Extension Tube M
FD-EOS Non-glass adapter