Portrait At-a-Glance Comparison (Upper Body Framing)
| Optical & Portrait Metric | Nikon 105mm f/1.4 FX | Nikon NIKKOR Z 135mm f/1.8 S Plena | What It Means in Practice |
|---|---|---|---|
| Upper-Body Working Distance | 4.21 m | 5.40 m | The Nikon NIKKOR Z 135mm f/1.8 S Plena requires 1.2 m more room behind you for the same subject size. |
| Effective Focal Length (Breathing) | 111.5 mm (+6.1%) | 130.2 mm (-3.6%) | Nikon 105mm f/1.4 FX frames like 111.5 mm (+6.1%) at 4.2 m; Nikon NIKKOR Z 135mm f/1.8 S Plena frames like 130.2 mm (-3.6%) at 5.4 m. |
| Depth of Field (Sharp Zone) | 20 cm (4.11 m – 4.31 m) | 25 cm (5.28 m – 5.53 m) | The Nikon 105mm f/1.4 FX has a 22% thinner focus zone (20 cm vs. 25 cm)—requiring more precise eye focus. |
| Entrance Pupil Diameter | 75.0 mm (f/1.4) | 75.0 mm (f/1.8) | Nearly identical distant background blur size at equal framing. |
| Minimum Focus Distance | 1 m | 0.82 m | Nikon NIKKOR Z 135mm f/1.8 S Plena focuses 18 cm closer (1 m vs. 0.82 m) for tighter close-ups. |
| Patent Prescription | WO2019116563A1 (14/9) | WO2024147268A1 (16/14) | Published optical prescriptions traced in the 3D simulator above. |