What the is exposure?
Exposure is a mix of 3 camera technologies, aperture, shutter speed and ISO
What the is focal length?
Focal length is the range the lens can capture.
What the is aperture and how the is it controlled?
Aperture controls how much light gets into the lens and the field of depth. It’s controlled by the ‘F’ stop, Higher the ‘F’ stop the less light gets in etc
What the is shutter speed?
shutter speed controls the amount light captured, eg slower shutter speed = more light intake
what the is ISO?
Iso is the level of light sensitivity in the camera, higher the iso the more sensitive it’s to light but more digital noise.