Controlling Light-Studio

Controlling Light

Aperture (2, 2.8, 4.0, 5.6, 8, 11, 16, 22, 32)
Located in the lens.
Measured in ƒ-stops.
Moving from smaller number to larger number cuts the amount of light in half.
Moving from larger number to smaller number doubles the amount of light.
ƒ-2=Shallower Depth of Field
ƒ-32=Broader Depth of Field

Shutter speeds (1, 2, 4, 8, 15, 30, 60, 125, 250, 500, 1000, 2000, 3000, 4000, 8000)
Located in the camera body.
Measured in seconds.
Moving from smaller number to larger number cuts the amount of light in half.
Moving from larger number to smaller number doubles the amount of light.

ISO (100, 200, 400, 800, 1600, 3200)
Same as film speed.

Lenses
20mm and less = Ultra Wide Angle
21mm-35mm = Wide Angle
50mm = Normal
70mm-300mm = Telephoto

Define
Depth of Field
Light Meter
Focal Length
Aperture
Shutter Speed