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Lens Dirt

Lens Dirt simulates smudges, water spots, scratches, and grime on a camera lens. These imperfections catch light from bright sources, adding realism or grunge.

Where to Find It

  • Open the TrueSKY panel -> Effects.
  • In Layer Stack, click + and choose Lens Dirt.
  • Select the layer to edit its settings.

Panel Layout

  • Opacity: Master blend for the layer.
  • Mask Controls: Shape and strength of the dirt pattern.
  • Distortion: Warping and dispersion options.
  • Water Spots: Droplet density and exposure.
  • Scratches: Scratch density and exposure.
  • Grime: Smudge density and exposure.

Controls

Mask Controls

  • Opacity: Blends the effect with the original image.
  • Mask Size: Scale of the dirt pattern.
  • Mask Threshold: Brightness required to reveal dirt.
  • Mask Noise: Randomness and variation in the mask.
  • Mask Strength: Intensity of visible dirt.
  • Mask Defocus: Blur applied to the dirt mask.

Distortion

  • Amount: Distortion intensity.
  • Fit: Aspect correction toggle.
  • Dispersion: Chromatic-like spread in dirt highlights.

Water Spots

  • Amount: Density of water droplet imperfections.
  • Exposure: Brightness and visibility of water spots.

Scratches

  • Amount: Density of scratch marks.
  • Exposure: Brightness and visibility of scratches.

Grime

  • Amount: Density of general smudges.
  • Exposure: Brightness and visibility of grime.

Tips / Workflows

Typical Use

Balance Mask Threshold so dirt appears only near bright hits. Use Water Spots for rain or moisture, light Scratches for age, and Grime for overall patina.