One of the great advantages of working with RAW files is the ability to control the white balance in post production. For example, if you have mistakenly forgot to move your white balance settings from shade to tungsten when you switched location, you can spend two minutes in Lightroom, Photoshop or Adobe Bridge and make the red blue again.
But, but… What if you could make sure that your white balance setting is perfect every time? You can then save on precious post processing time and deliver your images straight from the camera.
ExpoImaging has a nice little product that will help you hit the correct white balance mark on every location. The ExpoDisk is a little device you can use to get a precise white balance reading from any situation. Here is how the general idea, demonstrated on the ExpoDisk (DIY version, right after…):