Tulips (Four Photographs) and a word about Flowers and Depth of Field
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I like to use a narrow depth of field when taking flowers, however the downside can sometimes outweigh the positive. A few of the problems you can encounter include: color fringing, halos and color bleeding. The issues here are: the nature of the lens and how it deals with chromatic aberration, a fancy term for color fringing (green or purple on edges); how the transition from focus to out of focus affects the edges of areas further away, they may blossom (halo); and finally how colors in the out of focus area bleed into one another. To some degree modern editing programs have corrections for color fringing/chromatic aberration, but they do not always work. The green fringe is fixed but in some cases that means you have a purple fringe somewhere else. Painting these problems away in Photoshop is time-consuming but can be worth it. While the degree to which you decide to ignore these issues when they occur is personal, and negligibly visible on SRGB jpegs on the web, they can ruin a print. I try to avoid these problems or minimize them as much as I can, but I never leave them alone.