The Exposure Triangle
In photographic terms never was a truer word spoken than 'Light is the key'. This is simply because photography is all about, understanding and capturing light. In fact, the word photograph is derived from ancient Greek. The original word ‘Photo’ is from the Greek word ‘phos’ meaning ‘light’ and the word ‘graph’ also comes from a Greek word meaning ‘to draw’. Putting the two together gives us the word photograph, which means drawing with light or as I prefer to say, having fun with light Without light, photography wouldn’t be possible. There are three things that affect the amount of light entering the camera they are, aperture, shutter speed and ISO. These are often referred to as the ‘exposure triangle’. So far I’ve talked about aperture and shutter speed, and here I want to mention ISO,. it stands for ‘International Organisation for Standardisation’ In the most basic terms, ISO is a camera setting that will lighten or darken your photo. As you increase the ISO nu...