How to Master your Digital Camera’s White Balance

Not all light is the same colour, but if you want to ensure great colour reproduction in your digital photographs, it’s necessary to appreciate the basic physics behind this phenomenon. A good place to start is with visible light. This is a stream of electromagnetic energy that is emitted when a material is heated. Most photographic light sources produce a mixture of all the visible wavelengths (that is, colours) of the electromagnetic spectrum, but the proportions of these wavelengths vary wildly from one light source to another.

Read the rest of this entry