Egami published several new DO patents from Canon.
- Canon EF 500mm f/4 DO
- Canon EF 500mm f/5.6 DO
- Canon EF 600mm f/4 DO
- Canon EF 800mm f/5.6 DO
Several weeks ago, theĀ EF 400mm f/4 DO IS II also published.
Continue reading “New Canon DO Patents: 500mm f/4, 500mm f/5.6, 600mm f/4, 800mm f/5.6”