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 E 50mm F1.8 OSS — Simulador de bokeh y ray-tracing óptico
Interactive 3D portrait ray-traced through the published JP2012-242690A optical prescription (9 elements in 8 groups) with a 27.8 mm entrance pupil and 0.39 m minimum focus.
Especificaciones ópticas y de retrato (medio cuerpo)
| Optical & Portrait Metric | Measured / Patent Value | What It Means in Practice |
|---|---|---|
| Patent Prescription | JP2012-242690A · 9 elements in 8 groups | Traced surface by surface in WebGL2 |
| Entrance Pupil Diameter | 27.8 mm (at f/1.8) | Controls distant background blur disc size |
| Upper-Body Working Distance | 3.06 m | Camera-to-subject distance for head-to-waist framing |
| Effective Focal Length (Breathing) | 51.0 mm (+1.9%) | Actual framing focal length at portrait distance |
| Depth of Field (Sharp Zone) | 39 cm (2.88 m – 3.27 m) | Sharp zone at wide-open aperture |
| Minimum Focus Distance | 0.39 m | Closest focusing distance from the sensor |
Preguntas
How much background blur does the Sony E 50mm F1.8 OSS produce?
Wide open at f/1.8, the Sony E 50mm F1.8 OSS has a 27.8 mm entrance pupil (50 mm ÷ 1.8). In an upper-body portrait at 3.06 m, the sharp depth-of-field zone spans 39 cm (2.88 m to 3.27 m), while mechanical vignetting and 9 glass elements shape the out-of-focus highlights.
Does the Sony E 50mm F1.8 OSS show focus breathing at portrait distance?
Based on patent JP2012-242690A, tracing the focusing group at 3.06 m gives an effective framing focal length of 51.0 mm (+1.9% vs. the nominal 50 mm). You can toggle "Match subject size" in the simulator to see the framing shift live.
What optical design is inside the Sony E 50mm F1.8 OSS?
The patent prescription (JP2012-242690A) specifies 9 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 E 50mm F1.8 OSS
Comparaciones relacionadas
- Sony FE 50mm F1.8
- Fujifilm XF 50mm F2 R WR
- Nikon NIKKOR Z 50mm f/1.8 S
- Nikon NIKKOR Z 35mm f/1.2 S
- Sony Distagon FE 35mm F1.4 ZA
Ver también: profundidad de campo, bokeh, factor de recorte, compresión.