Exposure Triangle
Aperture
Shutter Speed
Iso
Stops
a relative measurement of light that functions in doubles and halves
Light x 2 = 1 stop increase
Light / 2 = 1 stop decrease
Shutter Speed
1/60 to 1/125 = 1 stop decrease (half the light)
1/60 to 1/30 = 1 stop increase (double the light)
Iso
Aperture
- film camera lenses are clicked in full stops
- digital cameras, 1 tick of the aperture dial is 1/3 of a stop
Aperture Priority
You choose
APERTURE
The Camera Will Choose
SHUTTER SPEED
ISO
Film Cameras - fixed. determined by your film
Digital Cameras - can be manually chosen or set in auto
Shutter Priority
You choose
SHUTTER SPEED
The Camera Will Choose
APERTURE
ISO
Film Cameras - fixed. determined by your film
Digital Cameras - can be manually chosen or set in auto
Manual
