DXO Lab & Flash Hot Spots

 Flash hotspots on windows or glass can be particularly challenging to correct, as they often exhibit a strong specular highlight or reflection. Here are some tips to help mitigate flash hotspots on windows or glass in DXO Lab:

  1. Use the "Glare" tool: In the "Details" tab, find the "Glare" tool and adjust the slider to reduce the intensity of the hotspot.
  2. Apply a "Graduated Filter": In the "Exposure" tab, use a Graduated Filter to apply a gradual correction to the affected area.
  3. Utilize "Local Adjustments": Select the "Local Adjustments" tool and paint a correction onto the hotspot area, adjusting exposure, contrast, and color as needed.
  4. Try "Selective Tone Mapping": In the "Exposure" tab, use Selective Tone Mapping to apply a tone curve adjustment specifically to the hotspot area.
  5. Use the "Spot Weighted" mode with caution: While the Spot Weighted mode can help, be careful not to over-correct, as it may introduce artifacts or lose details in the surrounding area.
  6. Consider using a "Polarizing Filter": If you're shooting through glass or windows, try using a polarizing filter to reduce glare and hotspots.
  7. Shoot at an angle: If possible, adjust your shooting angle to minimize direct reflections and hotspots.
  8. Use a "Diffuser" or "Softbox": If you're shooting in a studio setting, use a diffuser or softbox to soften the light and reduce hotspots.
Remember, correcting flash hotspots on windows or glass can be a delicate process, and it may require a combination of these techniques to achieve the desired result.

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