Using the Rule of Thirds in Photography The Rule of Thirds is one of several guidelines for composing visual images. The rule of thirds divides an image into a 3×3 grid, created by two equally spaced horizontal lines and two equally spaced vertical lines.
Understanding what a stop is is key to understanding the exposure triangle. In photography, a stop refers to the doubling or halving of the amount of light that makes up an exposure. Each photo that we take requires a certain quantity of light to expose it correctly. Adding a stop of light by doubling the exposure will brighten an underexposed image.
With the use of a Circular Polarizing filter (CPL) on your lens, you can enhance the colors in the sky as well as the elements in your frame. This is made possible as the CPL filter, when rotated at a particular angle minimizes the haze in the sky and enhances the color by reducing the polarization effect caused by sunlight.