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What is the primary function of the histogram in photography?

Practice Questions

Q1
What is the primary function of the histogram in photography?
  1. To display the color balance of an image
  2. To show the exposure levels of an image
  3. To indicate the sharpness of an image
  4. To measure the focal length used

Questions & Step-by-Step Solutions

What is the primary function of the histogram in photography?
  • Step 1: Understand that a histogram is a graph that shows the distribution of light in an image.
  • Step 2: Learn that the horizontal axis of the histogram represents the brightness levels, from dark (left) to bright (right).
  • Step 3: Recognize that the vertical axis shows how many pixels are at each brightness level.
  • Step 4: Identify that a well-exposed image will have a balanced distribution of pixels across the histogram.
  • Step 5: Use the histogram to check if the image is too dark (clipped on the left) or too bright (clipped on the right).
  • Step 6: Adjust your camera settings based on the histogram to achieve proper exposure.
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