f/4 The aperture is a mechanism on the lens that regulates the amount of light falling through the lens. You …

1/100 The exposure time is the time during which the camera shutter is open. In this time the light-sensitive medium …

105mm The focal length is given in millimetres and is the distance between lens and focal point. Small focal length: …

ISO is the unit for the light sensitivity of the camera’s storage medium. For analog cameras this is the film …