The Leica M6 TTL is 18 mm narrower, 79.6 mm shorter, 41.9 mm thinner and 645 g lighter than the Canon EOS-1D Mark IV.
| Canon EOS-1D Mark IV | Leica M6 TTL | |
|---|---|---|
| Size (W × H × D) | 156 × 156.6 × 79.9 mm | 138 × 77 × 38 mm |
| Weight | 1,230 g | 585 g |
| Lens | Canon EF | Leica M |
| Sensor | APS-H | — |
| Announced | 2009 | 1998 |