Black and White Conversion: Channel Mixer Recipes

Black and white conversion is a mysterious process. There are many ways to do it and none is objectively any better than any other for every photo. So, these are guidelines, really, in the spirit of a recipe. But unlike following a recipe for baking a cake, we are not all trying to create the same photo. Keep in mind that every photo is different and will require slightly different values for any image editing technique.

Here’s a photo I took on a hike recently with my kids:

Meadow path

To compare with the channel mixer conversions below, first I’ll show the results from a simple average color desaturation. This is a simple conversion, it’s fast, and it’s very easy to do. In Photoshop it’s Image | Adjustments | Desaturate. In GIMP it’s Color | Desaturate.

deasat1

Many people, myself included, feel that this method often results in lifeless photos. If you’re going to convert this way, you’ll be doing yourself a favor if you also boost the contrast after the fact:

deasat2

I think the simplicity of just desaturating a photo and boosting the contrast has a lot of appeal.

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Review: The Art of Black and White Photography

First of all, let me get something off my chest. I’m not picking on this book in particular, but generally, when will photography book authors quit talking about digital photography like it’s some crazy new thing that people need to be gently introduced to? Why does every photo book have an “introduction to digital” section that is all but useless filler? It’s 2008 people! If I wanted an introduction to digital photograhy, I’d have bought an introduction to digital photography book. Ok, rant over.

Read on to learn more about the book and find out how you can get a free copy.

Mercifully, The Art of Black and White Photography by Torsten Andreas Hoffmann keeps the intro to digital section to a mere 9 pages.

The meat of this book starts in section two. Section two devotes a full chapter to each of many different genres and concepts and attempts to show by example how to make black and white photographs.

Topics include overcoming clichés, architecture, portraits, street photography, and moods. Arguably, these are all topics that apply equally well to color photography.

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