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5 Written questions

5 Matching questions

  1. A filter with a factor of 2 requires how many stops of compensation?
  2. When mixed in varying proportion, the subtractive primary colors produce what?
  3. An in-camera reflected meter reading a very dark scene indicates an exposure of 1/250th at f/8. For a correct exposure, what should you do?
  4. A tall vertical line on the right hand edge of a histogram indicates what?
  5. What is gamut?
  1. a factor of 2 = 1 stop compensation. (Each time a factor doubles, it's one additional stop)
  2. b The entire range of colors that can be seen, reproduced, or captured. Our eyes have a greater gamut than a print or monitor.
  3. c Blown highlights
  4. d Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey, underexpose to bring it back to dark.
  5. e All colors

5 Multiple choice questions

  1. It should match the focal length. Too wide and it's inefficient; too narrow and it will vignette; most likely the vignette would occur with wide angle of 28mm and below.
  2. Intensity (aperture) x Time (shutter)
  3. White (255)
  4. 24 bits per pixel (8 per color), which gives 16,777,216 colors
  5. Selectively increasing print exposure, which will make select parts of the image darker

5 True/False questions

  1. Color systems divide all colors into which three measurements?Hue, Luminance, Saturation

          

  2. A general purpose lens will provide an f-stop range of up to how many?8 stops

          

  3. What would you use an ICC profile for?A mathematical translator assigned to each piece of equipment you use (they map one gamut to another; and the ICC (or International Color Consortium) profile is usually shipped by the equipment manufacturer).

          

  4. An SLR camera uses what to allow you to see exactly what you'll photograph?A mirror and pentaprism

          

  5. In a digital image, the images file sizes corresponds to the total number of what in the image?stopped down