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Fujifilm XF 23mm F1.4 R LM WR — Simulatore di bokeh e ray-tracing ottico
Interactive 3D portrait ray-traced through the published US20140368926A1 optical prescription (11 elements in 8 groups, 2 aspherical) with a 16.4 mm entrance pupil and 0.28 m minimum focus.
Specifiche ottiche e ritratto (inquadratura mezzo busto)
| Optical & Portrait Metric | Measured / Patent Value | What It Means in Practice |
|---|---|---|
| Patent Prescription | US20140368926A1 · 11 elements in 8 groups (2 aspherical) | Traced surface by surface in WebGL2 |
| Entrance Pupil Diameter | 16.4 mm (at f/1.4) | Controls distant background blur disc size |
| Upper-Body Working Distance | 1.42 m | Camera-to-subject distance for head-to-waist framing |
| Effective Focal Length (Breathing) | 23.0 mm (-0.0%) | Actual framing focal length at portrait distance |
| Depth of Field (Sharp Zone) | 32 cm (1.28 m – 1.60 m) | Sharp zone at wide-open aperture |
| Minimum Focus Distance | 0.28 m | Closest focusing distance from the sensor |
Domande
How much background blur does the Fujifilm XF 23mm F1.4 R LM WR produce?
Wide open at f/1.4, the Fujifilm XF 23mm F1.4 R LM WR has a 16.4 mm entrance pupil (23 mm ÷ 1.4). In an upper-body portrait at 1.42 m, the sharp depth-of-field zone spans 32 cm (1.28 m to 1.60 m), while mechanical vignetting and 11 glass elements shape the out-of-focus highlights.
Does the Fujifilm XF 23mm F1.4 R LM WR show focus breathing at portrait distance?
Based on patent US20140368926A1, tracing the focusing group at 1.42 m gives an effective framing focal length of 23.0 mm (-0.0% vs. the nominal 23 mm). You can toggle "Match subject size" in the simulator to see the framing shift live.
What optical design is inside the Fujifilm XF 23mm F1.4 R LM WR?
The patent prescription (US20140368926A1) specifies 11 lens elements in 8 groups with 2 aspherical surfaces. The interactive Optical X-Ray above traces rays through every surface in real time.
Confronti diretti da brevetto con Fujifilm XF 23mm F1.4 R LM WR
- Fujifilm XF 23mm F1.4 R LM WR vs. Fujifilm XF 23mm F2 R WR
- Fujifilm XF 23mm F1.4 R LM WR vs. Fujifilm XF 18mm F1.4 R LM WR
- Fujifilm XF 23mm F1.4 R LM WR vs. Fujifilm XF 33mm F1.4 R LM WR
- Fujifilm XF 23mm F1.4 R LM WR vs. Fujifilm XF 16mm F1.4 R WR
Confronti collegati
- Sony Sonnar E 24mm F1.8 ZA
- Sony FE 24mm F1.4 GM
- Fujifilm XF 23mm F2 R WR
- Canon RF 24mm F1.4 L VCM
- Fujifilm XF 35mm F2 R WR
- Sony FE 28mm F2
Vedi anche: profondità di campo, bokeh, fattore di crop, compressione.