Portretvergelijking in één oogopslag (bovenlichaam)
| Optical & Portrait Metric | Nikon NIKKOR Z 28mm f/2.8 | Nikon NIKKOR Z 40mm f/2 | What It Means in Practice |
|---|---|---|---|
| Upper-Body Working Distance | 1.15 m | 1.62 m | The Nikon NIKKOR Z 40mm f/2 requires 0.5 m more room behind you for the same subject size. |
| Effective Focal Length (Breathing) | 27.5 mm (-1.6%) | 39.0 mm (-2.4%) | Nikon NIKKOR Z 28mm f/2.8 frames like 27.5 mm (-1.6%) at 1.1 m; Nikon NIKKOR Z 40mm f/2 frames like 39.0 mm (-2.4%) at 1.6 m. |
| Depth of Field (Sharp Zone) | 42 cm (97 cm – 1.40 m) | 29 cm (1.49 m – 1.78 m) | The Nikon NIKKOR Z 40mm f/2 has a 32% thinner focus zone (42 cm vs. 29 cm)—requiring more precise eye focus. |
| Entrance Pupil Diameter | 10.0 mm (f/2.8) | 20.0 mm (f/2) | Distant background blur discs are 100% larger on the Nikon NIKKOR Z 40mm f/2. |
| Minimum Focus Distance | 0.19 m | 0.29 m | Nikon NIKKOR Z 28mm f/2.8 focuses 10 cm closer (0.19 m vs. 0.29 m) for tighter close-ups. |
| Patent Prescription | WO2022071249A1 (10/8) | JP2021-189351A (8/4) | Published optical prescriptions traced in the 3D simulator above. |