Portrait At-a-Glance Comparison (Upper Body Framing)
| Optical & Portrait Metric | Sony FE 24mm F1.4 GM | Sony Distagon FE 35mm F1.4 ZA | What It Means in Practice |
|---|---|---|---|
| Upper-Body Working Distance | 0.99 m | 1.42 m | The Sony Distagon FE 35mm F1.4 ZA requires 0.4 m more room behind you for the same subject size. |
| Background Field of View (Compression) | 73° | 55° | Sony Distagon FE 35mm F1.4 ZA shows a 25% narrower slice of the room behind the subject (55° vs. 73°), isolating them against a cleaner background. |
| Entrance Pupil Diameter | 17.1 mm (f/1.4) | 25.0 mm (f/1.4) | Distant background blur discs are 46% larger on the Sony Distagon FE 35mm F1.4 ZA. |
| Corner Bokeh Roundness (90% Field) | 79% (-0.8 EV) | 67% (-0.8 EV) | Sony FE 24mm F1.4 GM keeps significantly rounder bokeh balls into the corners wide open (79% vs. 67% roundness). |
| Effective Focal Length (Breathing) | 24.2 mm (+0.6%) | 34.9 mm (-0.4%) | Sony FE 24mm F1.4 GM frames like 24.2 mm (+0.6%) at 1.0 m; Sony Distagon FE 35mm F1.4 ZA frames like 34.9 mm (-0.4%) at 1.4 m. |
| Depth of Field (Sharp Zone) | 21 cm (90 cm – 1.11 m) | 20 cm (1.33 m – 1.53 m) | The Sony Distagon FE 35mm F1.4 ZA has a 4% thinner focus zone (21 cm vs. 20 cm)—requiring more precise eye focus. |
| Minimum Focus Distance | 0.24 m | 0.3 m | Sony FE 24mm F1.4 GM focuses 6 cm closer (0.24 m vs. 0.3 m) for tighter close-ups. |