Exposure
Exposure =
• Controlling the amount of light
hitting the film or digital sensor
• Getting the “right” amount of light for
the scene at hand
• Shutter speed
Exposure = The amount of light hitting the film or digital sensor is controlled by:
• Aperture
from: http://www.photonhead.com/beginners/shutterandaperture.php
from: http://www.photonhead.com/beginners/shutterandaperture.php
• Your camera‘s light meter decides what settings to use, e.g.
1/250 sec @ f 8OR1/60 sec @ f 4OR1/125 sec @ f 11etc….
…depending on the scene – how bright it is, how much white or black is in the overall composition, how sunny or cloudy, etc.
Each scene and each time of day will require a new exposure setting because the lighting conditions will be slightly different
Let’s say…
Your camera’s light meter says that
1/250 sec at f 8 is perfect for the scene you want to photograph…
…but you want to use f 5.6 instead…
Wait a minute….!
Why would I want to use f 5.6 instead of f 8 !!?
Depth of field
or
Shutter Speed?
Okay, so back to our original question….
What if your camera said that 1/250 of a sec at f 8 would let in the perfect amount of light for the scene you want to shoot….
….and you want to use f 5.6 instead….?
What should you do?
http://www.photonhead.com/beginners/stops.php
Interactive exposure settings
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