Portrait At-a-Glance Comparison (Upper Body Framing)
| Optical & Portrait Metric | Nikon NIKKOR Z 50mm f/1.2 S | Nikon NIKKOR Z 50mm f/1.4 | 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) | 40° | 40° | Identical 40° horizontal background view behind the subject. |
| Entrance Pupil Diameter | 41.7 mm (f/1.2) | 35.7 mm (f/1.4) | Distant background blur discs are 17% larger on the Nikon NIKKOR Z 50mm f/1.2 S. |
| Corner Bokeh Roundness (90% Field) | 31% (-2.4 EV) | 58% (-1.2 EV) | Nikon NIKKOR Z 50mm f/1.4 keeps significantly rounder bokeh balls into the corners wide open (58% vs. 31% roundness). |
| Effective Focal Length (Breathing) | 49.0 mm (-1.9%) | 49.0 mm (-2.0%) | At 2.0 m, Nikon NIKKOR Z 50mm f/1.2 S frames like a 49.0 mm lens while Nikon NIKKOR Z 50mm f/1.4 frames like a 49.0 mm lens. |
| Depth of Field (Sharp Zone) | 17 cm (1.93 m – 2.10 m) | 20 cm (1.92 m – 2.12 m) | The Nikon NIKKOR Z 50mm f/1.2 S has a 14% thinner focus zone (17 cm vs. 20 cm)—requiring more precise eye focus. |
| Minimum Focus Distance | 0.45 m | 0.37 m | Nikon NIKKOR Z 50mm f/1.4 focuses 8 cm closer (0.45 m vs. 0.37 m) for tighter close-ups. |