Nikon NIKKOR Z 135mm f/1.8 S Plena — Simulatore di bokeh e ray-tracing ottico

Interactive 3D portrait ray-traced through the published WO2024147268A1 optical prescription (16 elements in 14 groups, 1 aspherical) with a 75.0 mm entrance pupil and 0.82 m minimum focus.

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Specifiche ottiche e ritratto (inquadratura mezzo busto)

Optical & Portrait Metric Measured / Patent Value What It Means in Practice
Patent Prescription WO2024147268A1 · 16 elements in 14 groups (1 aspherical) Traced surface by surface in WebGL2
Entrance Pupil Diameter 75.0 mm (at f/1.8) Controls distant background blur disc size
Upper-Body Working Distance 5.40 m Camera-to-subject distance for head-to-waist framing
Effective Focal Length (Breathing) 130.2 mm (-3.6%) Actual framing focal length at portrait distance
Depth of Field (Sharp Zone) 25 cm (5.28 m – 5.53 m) Sharp zone at wide-open aperture
Minimum Focus Distance 0.82 m Closest focusing distance from the sensor

Domande

How much background blur does the Nikon NIKKOR Z 135mm f/1.8 S Plena produce?

Wide open at f/1.8, the Nikon NIKKOR Z 135mm f/1.8 S Plena has a 75.0 mm entrance pupil (135 mm ÷ 1.8). In an upper-body portrait at 5.40 m, the sharp depth-of-field zone spans 25 cm (5.28 m to 5.53 m), while mechanical vignetting and 16 glass elements shape the out-of-focus highlights.

Does the Nikon NIKKOR Z 135mm f/1.8 S Plena show focus breathing at portrait distance?

Based on patent WO2024147268A1, tracing the focusing group at 5.40 m gives an effective framing focal length of 130.2 mm (-3.6% vs. the nominal 135 mm). You can toggle "Match subject size" in the simulator to see the framing shift live.

What optical design is inside the Nikon NIKKOR Z 135mm f/1.8 S Plena?

The patent prescription (WO2024147268A1) specifies 16 lens elements in 14 groups with 1 aspherical surfaces. The interactive Optical X-Ray above traces rays through every surface in real time.

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Vedi anche: profondità di campo, bokeh, fattore di crop, compressione.