Enhancing, Intensifying and Didymium filters are all the same and serve the same purpose: enhancing the warm colors in a scene (i.e., red, orange and brown) to provide more color saturation and contrast without significantly affecting cooler colors (e.g., green). As a result, enhancing filters are very effective with landscapes to enhancing foliage and rocky features. However, since this is a filter with color, it can also introduce noticeable color shift is other, especially white, areas.
The following are images taken with and without enhancing filters. Compare the color shift in red, green, and blue colors caused by the use of an enhance filter. The differences are obvious.
| Without Enhancing Filter | With Enhancing Filter |
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| Click on the image to see a larger one | |
| Without Enhancing Filter | With Enhancing Filter |