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7. The Menus / 7.7 The Filter Menu

### 7.7.20 Quality/Dehaze

Dehaze removes stray light in photos caused by fog, haze or smog. As a result, the colors in the image are stronger, and a slight color cast may be removed.

Size is used to preserve the structures in the image, so that the local contrast keeps correct. Larger values ​​weaken the effect of Dehaze.

Haze Color sets the color of the stray light. If Calculate Haze Color is turned on, the haze color is determined automatically during the calculation of the filter.

As a result, Dehaze creates new layer including the improvement. So you can readjust the strength of the filter later on.

If Dehaze is applied to an adjustment layer, it won’t edit the adjustment layer, but the background including the adjustment.

Final tips:

- A good starting value for Size is (width + height) / 100.
- If the effect of Dehaze is too strong, it helps to increase Size.
- If Dehaze creates a color cast, the haze color is wrong. You can change it manually. But often it helps to change Size, too.
- As Dehaze removes stray light, the resulting image is always darker. It may be necessary to increase the brightness later on.