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5 Written questions

5 Matching questions

  1. The quantity of light that reaches your sensor is controlled by what?
  2. What is the inverse square law?
  3. What does the term "stop" mean?
  4. What are luminance and illuminance?
  5. A histogram shows what in an image?
  1. a Shutter speed & aperture
  2. b Luminance is light reflected from the subject surface (measured by a reflected-light meter), while Illuminance is light falling on a subject surface (as measured with an incident light meter)
  3. c The brightness values of all the pixels in an image illustrated as a graph numbering from 0 to 255.
  4. d A change in exposure of 1 EV, that is 1/2 or 2x the amount of light.
  5. e The intensity of the illumination is inversely proportional to the square of the distance from light to subject. At twice the distance from the subject, the light illuminates only 1/4 of the original.

5 Multiple choice questions

  1. 8 bits
  2. Decreases the exposure for areas of the print that the photographer wishes to be lighter
  3. Hyperfocal distance. A lens focused at the hyperfocal distance has depth of field extending from approximately half the hyperfocal distance to infinity, whereas a lens focused at infinity has a depth of field only at infinity.
  4. Selecting portions of the image based on color
  5. lengthen (or slow) the shutter speed

5 True/False questions

  1. This technique allows you to keep a subject that is moving toward you well focusedFollow focus


  2. Cyan is composed of equal parts of what two colors?Subtractive primaries (plus black)


  3. If an image is too yellow, what color adjustment should be made in Photoshop to correct it?Add blue


  4. What is the term used to describe human's change in perception of a color under different light sources?Dynamic range


  5. What kind of meter is built in to most cameras?Maybe as little as 0.5 degrees or 1 degree