Camera FunctionsPhotography Reference Booklet by Kevin, Riley,

and Josh.

ApertureAn opening, usually circular, that limits the

quantity of light that can enter an optical instrument

Low

Good High

Shutter SpeedThe length of time that the light hits the film

or sensor allowing the image to be recorded

LOW GOOD HIGH

ISO SpeedHow sensitive the image sensor which

compared to light

LowGood

High

ExposureExposure is allowing the image capture device

to be the image of the scene

White balanceThe reason we adjust white balance is to get

the colours in your images as accurate as possible

You turn it down when you are outside and up if you are inside

Fluorescent

Day Light

Outside White Balance

Clouds Day Light

Tungsten

Optical ZoomAllows you to zoom in to the picture without

moving close to it

NORMAL FULL ZOOM

Wide-angle, vs. Telephoto, vs. Portrait LensesA wide angle camera lens has a wider than

normal view when taking picturesA telephoto lens is much more zoomed in

compared to other lensesPortrait lenses have a bigger aperture

compared to the other lenses

Wide TelephotoPortrait