Porównanie portretowe w skrócie (popiersie)
| Optical & Portrait Metric | Sony FE 85mm F1.4 GM | Sony FE 85mm F1.4 GM II | What It Means in Practice |
|---|---|---|---|
| Upper-Body Working Distance | 3.41 m | 3.41 m | Identical working distance—both frame an upper-body portrait from the exact same spot. |
| Effective Focal Length (Breathing) | 87.7 mm (+3.2%) | 83.0 mm (-2.4%) | At 3.4 m, Sony FE 85mm F1.4 GM frames like a 87.7 mm lens while Sony FE 85mm F1.4 GM II frames like a 83.0 mm lens. |
| Depth of Field (Sharp Zone) | 20 cm (3.31 m – 3.51 m) | 20 cm (3.31 m – 3.51 m) | Both lenses deliver the exact same 20 cm sharp focus zone. |
| Entrance Pupil Diameter | 60.7 mm (f/1.4) | 60.7 mm (f/1.4) | Nearly identical distant background blur size at equal framing. |
| Minimum Focus Distance | 0.85 m | 0.85 m | Both lenses share the same 0.85 m close-focus limit. |
| Patent Prescription | JPS62244010A (7/6) | WO2025239028A1 (14/11) | Published optical prescriptions traced in the 3D simulator above. |