Light is a fundamental element of photography. Understanding the impact that light has on your subject and overall scene is pivotal to your ability to create excellent pictures.
Light has different qualities that play important roles in the presentation of your photo to viewers. The quality of light in an image impacts what a viewer sees and it guides how they perceive the visual you're presenting. Likewise, the direction of light, as it illuminates a subject, also has a huge impact on how the subject looks. This also matters a great deal to the quality of your images.
With a sharp eye and a little planning, you'll be able to find the right light in almost any situation, and this will help you make the best images possible with your iPhone camera.
Figure 3.1. A cloudy day offers a nice soft light to this quick portrait.
Soft light is also known in the photography world as diffused light. By far, this is the most desirable type of lighting for just about any subject. It has little contrast and is therefore much more friendly to the sensor in your iPhone than bright light that produces harsh shadows (described next). Remember, the iPhone doesn't handle high-contrast situations very well.
A broad or large light source provides the softest ...