Portrait At-a-Glance Comparison (Upper Body Framing)
| Optical & Portrait Metric | Canon RF 35mm F1.4 L VCM | Canon RF 50mm F1.4 L VCM | What It Means in Practice |
|---|---|---|---|
| Upper-Body Working Distance | 1.42 m | 2.01 m | The Canon RF 50mm F1.4 L VCM requires 0.6 m more room behind you for the same subject size. |
| Background Field of View (Compression) | 55° | 40° | Canon RF 50mm F1.4 L VCM shows a 27% narrower slice of the room behind the subject (40° vs. 55°), isolating them against a cleaner background. |
| Entrance Pupil Diameter | 25.0 mm (f/1.4) | 35.7 mm (f/1.4) | Distant background blur discs are 43% larger on the Canon RF 50mm F1.4 L VCM. |
| Corner Bokeh Roundness (90% Field) | 70% (-0.8 EV) | 53% (-1.1 EV) | Canon RF 35mm F1.4 L VCM keeps significantly rounder bokeh balls into the corners wide open (70% vs. 53% roundness). |
| Effective Focal Length (Breathing) | 34.7 mm (-0.7%) | 49.3 mm (-1.5%) | Canon RF 35mm F1.4 L VCM frames like 34.7 mm (-0.7%) at 1.4 m; Canon RF 50mm F1.4 L VCM frames like 49.3 mm (-1.5%) at 2.0 m. |
| Depth of Field (Sharp Zone) | 20 cm (1.33 m – 1.53 m) | 20 cm (1.92 m – 2.12 m) | Both lenses deliver the exact same 20 cm sharp focus zone. |
| Minimum Focus Distance | 0.28 m | 0.4 m | Canon RF 35mm F1.4 L VCM focuses 12 cm closer (0.28 m vs. 0.4 m) for tighter close-ups. |