What is exposure

Exposure is a correct amount of light captured on a film/digital sensor. There are important ingridients which comprise exposure three of those a directly dependent on your DSLR camera and one is independent of your camera.
Dependent factors:
- 1) Aperture – usually tied to DSLR Lense, an opening in lense which restricts or allows the lights to pass through the lense and be recorded on sensor.
- 2) Shutter Speed – amount of time which dictates how long will exposure last.
- 3) ISO – how sensitive a film/sensor is to light.
Independent factors:
- 1) Light that surrounds you. The reason why I have isolated this factor is because it is unique. You may have a light meter in your camera which reads “correct” amount of light. But this is not the whole story. The light around you dictates everything and though your camera may read the correct light reading this in fact may be wrong. There are different times of day where the sun is more harsh, there are times where sun is more warm and friendly. This may very much effect you photographs. The best bet when to shoot is when the sun sets, sun rises and drastic weather change are about to occur (thunder, lightnings).
So by saying all of the above light is the most important factor. It takes years in order to become familiar with light and when to shoot. Also don’t think about exposure as set of rules. Creative exposure is something that lots of photographers perceive, and that my friends can’t be learned in the book or by correct setting in your DSLR.

