Comparaison portrait en un coup d’œil (cadrage buste)
| Optical & Portrait Metric | Canon RF 50mm F1.2 L USM | Nikon NIKKOR Z 50mm f/1.2 S | What It Means in Practice |
|---|---|---|---|
| Upper-Body Working Distance | 2.01 m | 2.01 m | Identical working distance—both frame an upper-body portrait from the exact same spot. |
| Effective Focal Length (Breathing) | 50.8 mm (+1.6%) | 49.0 mm (-1.9%) | At 2.0 m, Canon RF 50mm F1.2 L USM frames like a 50.8 mm lens while Nikon NIKKOR Z 50mm f/1.2 S frames like a 49.0 mm lens. |
| Depth of Field (Sharp Zone) | 17 cm (1.93 m – 2.10 m) | 17 cm (1.93 m – 2.10 m) | Both lenses deliver the exact same 17 cm sharp focus zone. |
| Entrance Pupil Diameter | 41.7 mm (f/1.2) | 41.7 mm (f/1.2) | Nearly identical distant background blur size at equal framing. |
| Minimum Focus Distance | 0.4 m | 0.45 m | Canon RF 50mm F1.2 L USM focuses 5 cm closer (0.4 m vs. 0.45 m) for tighter close-ups. |
| Patent Prescription | US20190265441A1 (15/9) | WO2021241230A1 (17/15) | Published optical prescriptions traced in the 3D simulator above. |