Using curves in photoshop for retouching. Very useful trick.

I was asked couple times what the strange mode I used in my video. So, here is the answer:

I used curves presets to see differences in gradients and colors. When I apply various curves even slight difference in color or brightness become extremely visible. Here are two examples:

1. On this image I want to see clearly every tiny dust piece on the black background. It highlights it very well by using such curve:

Using curves in retouching.

Mouse Over to see Original Layer and Curves Adjustment Layer

Using curves in photoshop for retouching

Now it’s easy to clean background using clone tool or burn tool, you will not leave any spot or dust unnoticed.

2. On this photo I would like to see all uneven gradients and sensor dust on the white background. I used this curve:

Using curves in retouching.

Mouse Over to see Original Layer and Curves Adjustment Layer

Curves in photoshop, visualisation tool.

Curves in photoshop, visualization tool.

Now you can correct gradients and clean background easily. Try to make your own curves and save them as presets and you will be able to use it any time anywhere. You can create various curves. Every curve will show you something different.
Hope you can find this tutorial useful.

Thank you for looking. Any feedback and suggestions are very welcome!
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