Four Factors of Exposure (L A S T) There are four major factors which determine how a camera will capture an image with good exposure. These factors are named here as light, aperture, sensitivity, and time. You can remember these four terms together with the acronym LAST.
What Sells Best On Shutterstock?
Some types of photos that sell best are Portrait Photography, Food Photography, Landscapes (usually with people) and fine art photography (artsy).