Gone are the film days and gone with that is the fixed light sensitivity of films. Now the ISO can be changed with just a turn of the dial or through a simple setting in the menu. How does this help?
Exposure Values & Exposure Compensation
Reducing the overall brightness of the photograph being captured is what exposure compensation is all about. Apart from this, the exposure compensation can also come in handy for a lot of other interesting techniques as well.
Basics of Exposure
Exposure is the amount of light per unit area reaching the film or sensor. A well exposed film has all the tonal values it can capture. A well exposed digital image has a histogram spread across all the values. Exposure is what determines how the image is captured. This is a concise article on understanding exposure and the factors that determine it.
