All effects and presets

Effect

Bokeh

Simulate optical bokeh discs with shape, size and highlight emphasis.

Bokeh comes from the Japanese boke, meaning blur or haze. Photographers use it for the character of out-of-focus regions, especially how a lens turns points of light into discs. The English spelling with an h was popularised in the late 1990s so English speakers would say bo-keh rather than joke.

Aperture shape, spherical aberration and focus distance all change that character. This effect simulates optical discs so you can push highlight shape and size without needing a particular lens.

Bokeh example
Example

Properties

  • Radius

    bokeh radius (UV)

    Range
    0 to 0.05
    Default
    0.012

  • Threshold

    bright sample cutoff

    Range
    0 to 1
    Default
    0.65

  • Blades

    aperture polygon sides

    Range
    3 to 8
    Default
    6

  • Samples

    tap count (quality)

    Range
    8 to 48
    Default
    24

  • Gain

    bright highlight boost

    Range
    0.5 to 3
    Default
    1.35

  • Mix

    Range
    0 to 1
    Default
    1

Command line

Requires Rethings Pro. Install the tool from Rethings → Install Command Line Tool… 

rethings apply --effect bokeh --set radius=0.012 --set threshold=0.65 -i input.jpg -o output.png

Gallery

  • Bokeh example 1
  • Bokeh example 2
  • Bokeh example 3
  • Bokeh example 4
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  • Bokeh example 45