Portrait At-a-Glance Comparison (Upper Body Framing)
| Optical & Portrait Metric | Canon 50mm f/0.95 | Canon RF 50mm F1.2 L USM | 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. |
| Background Field of View (Compression) | 38° | 39° | Identical 38° horizontal background view behind the subject. |
| Entrance Pupil Diameter | 52.6 mm (f/0.95) | 41.7 mm (f/1.2) | Distant background blur discs are 26% larger on the Canon 50mm f/0.95. |
| Corner Bokeh Roundness (90% Field) | 50% (-1.4 EV) | 41% (-1.5 EV) | Canon 50mm f/0.95 keeps significantly rounder bokeh balls into the corners wide open (50% vs. 41% roundness). |
| Effective Focal Length (Breathing) | 51.8 mm (+3.5%) | 50.8 mm (+1.6%) | At 2.0 m, Canon 50mm f/0.95 frames like a 51.8 mm lens while Canon RF 50mm F1.2 L USM frames like a 50.8 mm lens. |
| Depth of Field (Sharp Zone) | 14 cm (1.95 m – 2.08 m) | 17 cm (1.93 m – 2.10 m) | The Canon 50mm f/0.95 has a 21% thinner focus zone (14 cm vs. 17 cm)—requiring more precise eye focus. |
| Minimum Focus Distance | 1 m | 0.4 m | Canon RF 50mm F1.2 L USM focuses 60 cm closer (1 m vs. 0.4 m) for tighter close-ups. |