The Canon EOS 40D is 7.5 mm wider, 30.8 mm taller, 40 mm deeper and 242 g heavier than the Leica M2.
| Leica M2 | Canon EOS 40D | |
|---|---|---|
| Size (W × H × D) | 138 × 77 × 33.5 mm | 145.5 × 107.8 × 73.5 mm |
| Weight | 580 g | 822 g |
| Lens | Leica M | Canon EF |
| Sensor | — | APS-C |
| Announced | 1957 | 2007 |