Buscar un objetivo para este look
Los enlaces de eBay pueden generarnos una comisión, sin coste extra para ti.
Objetivos que encajan de cada marca, más algunos clásicos de formato medio y gran formato. Escríbeme si algo está mal o falta.
Sony FE 85mm f/1.8 — Simulador de bokeh y ray-tracing óptico
Interactive 3D portrait ray-traced through the published JP2015-096915A optical prescription (11 elements in 8 groups) with a 47.2 mm entrance pupil and 0.8 m minimum focus.
Especificaciones ópticas y de retrato (medio cuerpo)
| Optical & Portrait Metric | Measured / Patent Value | What It Means in Practice |
|---|---|---|
| Patent Prescription | JP2015-096915A · 11 elements in 8 groups | Traced surface by surface in WebGL2 |
| Entrance Pupil Diameter | 47.2 mm (at f/1.8) | Controls distant background blur disc size |
| Upper-Body Working Distance | 3.41 m | Camera-to-subject distance for head-to-waist framing |
| Effective Focal Length (Breathing) | 89.9 mm (+5.8%) | Actual framing focal length at portrait distance |
| Depth of Field (Sharp Zone) | 25 cm (3.29 m – 3.54 m) | Sharp zone at wide-open aperture |
| Minimum Focus Distance | 0.8 m | Closest focusing distance from the sensor |
Preguntas
How much background blur does the Sony FE 85mm f/1.8 produce?
Wide open at f/1.8, the Sony FE 85mm f/1.8 has a 47.2 mm entrance pupil (85 mm ÷ 1.8). In an upper-body portrait at 3.41 m, the sharp depth-of-field zone spans 25 cm (3.29 m to 3.54 m), while mechanical vignetting and 11 glass elements shape the out-of-focus highlights.
Does the Sony FE 85mm f/1.8 show focus breathing at portrait distance?
Based on patent JP2015-096915A, tracing the focusing group at 3.41 m gives an effective framing focal length of 89.9 mm (+5.8% vs. the nominal 85 mm). You can toggle "Match subject size" in the simulator to see the framing shift live.
What optical design is inside the Sony FE 85mm f/1.8?
The patent prescription (JP2015-096915A) specifies 11 lens elements in 8 groups. The interactive Optical X-Ray above traces rays through every surface in real time.
Comparaciones directas de patente con Sony FE 85mm f/1.8
- Sony FE 85mm f/1.8 vs. Sony FE 85mm F1.4 GM II
- Sony FE 85mm f/1.8 vs. Sony FE 85mm F1.4 GM
- Sony FE 85mm f/1.8 vs. Sony FE 135mm F1.8 GM
- Sony FE 85mm f/1.8 vs. Fujifilm XF 56mm F1.2 R WR
Comparaciones relacionadas
- Nikon NIKKOR Z 85mm f/1.8 S
- Canon 85mm f/1.8
- Sony FE 85mm F1.4 GM II
- Sony FE 85mm F1.4 GM
- Nikon 58mm f/1.2 Noct-NIKKOR
Ver también: profundidad de campo, bokeh, factor de recorte, compresión.