Camera Parts

Aperture - Before light reaches the film, light must pass through the aperture.

Shutter- blocks all light from exposing the film until you press the button, then it quickly opens and closes, giving the film a brief flash of light .

Exposure - is measuring and balancing of light and the picture will either look washed out or too dark if the photographer expose it too much or too little.

Depth of Field-  Is the distance between the nearest and the furthest objects that give an image judged to be in focus in a camera.

F-stop- Is the camera setting to a particular f-number.

Focal length- Is the distance between the center of a lens or curved mirror and its focus.

Camera Buttons
Number 2 is the off and on button which turns the camera on or off
Number 3 is what turns on the flash button and make Number 12 flip up which tells the photographer the flash is on.
Number 5 is the button when the photographer is ready to take it he or she can just press the button and the picture is taken.
Number 7 is the grip so the photographer doesn't drop the camera.
Number 21 is the button that releases the whole lens.