Portrait At-a-Glance Comparison (Upper Body Framing)
| Optical & Portrait Metric | Sony Distagon FE 35mm F1.4 ZA | Sony Planar FE 50mm F1.4 ZA | What It Means in Practice |
|---|---|---|---|
| Upper-Body Working Distance | 1.42 m | 2.01 m | The Sony Planar FE 50mm F1.4 ZA requires 0.6 m more room behind you for the same subject size. |
| Background Field of View (Compression) | 55° | 39° | Sony Planar FE 50mm F1.4 ZA shows a 29% narrower slice of the room behind the subject (39° 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 Sony Planar FE 50mm F1.4 ZA. |
| Corner Bokeh Roundness (90% Field) | 67% (-0.8 EV) | 56% (-1.2 EV) | Sony Distagon FE 35mm F1.4 ZA keeps significantly rounder bokeh balls into the corners wide open (67% vs. 56% roundness). |
| Effective Focal Length (Breathing) | 34.9 mm (-0.4%) | 50.2 mm (+0.5%) | Sony Distagon FE 35mm F1.4 ZA frames like 34.9 mm (-0.4%) at 1.4 m; Sony Planar FE 50mm F1.4 ZA frames like 50.2 mm (+0.5%) 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 | 0.3 m | 0.45 m | Sony Distagon FE 35mm F1.4 ZA focuses 15 cm closer (0.3 m vs. 0.45 m) for tighter close-ups. |