Learn & Explore Series Episode 41
"Understanding the most from ISO"
Did You Know?
Some high-end digital cameras have ISO settings as high as 204,800.
Did You Know?
Whenever the ISO is doubled, half as much light is required for a correct exposure.
Did You Know?
The progression of ISO numbers is expressed by the power of two: 100, 200, 400, 800, 1,600, 3,200, 6,400, etc.
Questions covered in the above interview:
- What is the full name of ISO and what does it mean?
- Is ISO the same as ASA in film photography?
- Why is ISO often defined as sensitivity?
- What is the relationship of ISO to aperture and shutter speed?
- Why are aperture and shutter speed the first exposure settings a photographer should adjust before changing ISO?
- What is the “standard” ISO range?
- Why must a higher ISO be selected when the light is low or a faster shutter speed is required?
- Why is a higher ISO number required when shooting sports or action indoors?
- What is digital noise and how does it relate to ISO?
- How does the size of the pixels on a camera’s sensor affect the ISO number selected and the amount of digital noise?
- What is Auto ISO and how does it help the photographer?
- What is the advantage of setting a slower ISO for a photo with a narrow depth of field, such as a macro image?
- What is the best ISO setting for landscape photos?
- How does ISO affect bokeh?
- Why is the quality of the same photo taken with different digital cameras different at the same ISO setting?