The Leica SL3-S is 1.9 mm thinner and 1 g lighter than the Leica SL3, and as wide and as tall.
| Leica SL3 | Leica SL3-S | |
|---|---|---|
| Size (W × H × D) | 141.2 × 108 × 84.6 mm | 141.2 × 108 × 82.7 mm |
| Weight | 769 g | 768 g |
| Lens | L-Mount | L-Mount |
| Sensor | Full frame | — |
| Announced | 2024 | 2025 |