Photography: Learning the basics of exposure control
In the learning process of photography, one of the first things you need to know are the exposure controls in a camera because it controls how a photograph you take turns out. The Exposure triangle Exposure is how much light per unit area is reaching the plane surface of an image sensor i.e. the amount of light the image sensor is being exposed to. Exposure of an image depends on four elements viz. ISO, aperture , shutter speed and luminescence of the scene. And out of these four elements, most of the time only 3 can be controlled (unless you're in a studio 🤷) viz . ISO, Aperture and Shutter Speed . These three elements constitute what is known in photography as the Exposure triangle In my previous blog post , I mentioned ISO, aperture and a little bit about shutter speed. This blog post will further elaborate on how they specifically affect a photo. 1. ISO As mentioned before, ISO is the sensitivity or receptivity of the imag...