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Digital Photo I


What is ISO? Measurement of how sensitive the sensor is to light/how rapidly it records light.
What is the aperture? The opening in the lens, measured in F-stops.
What are F-stops? Numbers representing the size of the aperture. The most common ones (from sm to lg) F22, 16, 11, 8, 5.6, 4, 2,
What is shutter speed? The speed at which the shutter opens and closes, controlling the amount of light in and out of the camera. Typical numbers associated with it is: 2000, 1000, 500, 250, 125, 60, 30, 15, 8, 4, 2, 1", 2", 30". 15 is the slowest w/o tripod.
What would you use fast shutter speed for? Action shots
What would you use slow shutter speed for? To capture movements with blur.
What is an advantage of using the slow or low ISO and what number would be a low ISO? 100 ---- gives you high resolution.
Why would you not want to use a fast or high ISO and what number would be a fast one? 3200 ----- has lots of noise/grain.
In what circumstance would you use a large aperture? For a shallow depth of field.
In what circumstance would you use a small aperture? For a large depth of field.
Which are the most common number associated with ISO (from fastest to slowest)? 3200, 1600, 800, 400, 200, 100.
What are the most commonly used F-stops (from smallest to largest)? f22, f16, f11, f8, f5.6, f4, f2.
What is reciprocity? The relationship between the aperture and shutter speed that allows for change in DOF, but allows the same amount of light in.
Created by: tattybogles