Aperture
Aperture is fundamental to understand, and it is one of the main functions of a camera that can effect the final image. Aperture is a small hole in the lens, which gets bigger or small the more you change it. With the bigger holes, more light is let in, but depth of field is small... Read more
Shutter Speed
Shutter speed is your best friend and your worst enemy in photography. If you get it right, it can really make an image perfect, and if you get it wrong, it can make a great image terrible. Shutter speed is how long your cameras shutters are open (these are what expose the digital sensor or film to light). This of course is dependent on the light conditions of the scene... Read more
ISO
ISO (International Standards Organisation) is a rating for the sensitivity of the film or digital plain to light(I will just refer to the sensor, but this is the same for film). The higher the number of ISO, the more sensitive the sensor is to light. Equally, the lower the number, the less sensitive the sensor is to light. This means that we need to change our ISO rating depending on the time of day, the location, and type of feel we want for the shot... Read more