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5 Written questions

5 Matching questions

  1. Most lenses are sharpest closed down to how many stops from the widest?
  2. What do the bars on the left of a histogram represent?
  3. When buying a lens hood, you should get it in what size relative to the lens?
  4. Why is depth of field greater on a short lens versus a long lens?
  5. When the additive primaries are mixed together equally, what is created?
  1. a 1 or 2, depending on the lens, could be 2 to 3.
  2. b Relative aperture. The opening on a long lens must be larger than a corresponding opening on a short lens to produce the same f-stops.
  3. c Black (0)
  4. d 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.
  5. e White (additive primaries are Red, Green Blue)

5 Multiple choice questions

  1. Add cyan
  2. Intensity (aperture) x Time (shutter)
  3. Sensor size - the larger the sensor size, the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
  4. Bit
  5. Selecting portions of the image based on color

5 True/False questions

  1. Bit depth refers to what?The amount of information contained in each pixel


  2. When the subtractive primaries are added together equally, what is created?Black. Subtractive primaries are Magenta, Yellow, Cyan


  3. True or false - a tonal correction can be accomplished by using a hue/saturation adjustment layerFalse.


  4. In short lighting, where is the main light placed?To strike the side of the face away from the camera.


  5. A normal (or standard) focal length lens approximates what?Selecting portions of the image based on color


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