How ‘clear’ Is Your Camera Knowledge?

15 Questions | Total Attempts: 108

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Camera Quizzes & Trivia

SDM Magazine February 5-Minute Tech Quiz


Questions and Answers
  • 1. 
    Cameras are able to do which of the following?
    • A. 

      Recognize a known person.

    • B. 

      Detect a person.

    • C. 

      Identify an unknown person.

    • D. 

      All of the above.

    • E. 

      None of the above.

  • 2. 
    Which of the following camera lens sizes will produce the widest angle image?
    • A. 

      1 in. CCD

    • B. 

      2/3 in. CCD

    • C. 

      1/2 in. CCD

    • D. 

      1/3 in. CCD

  • 3. 
    A ______ lens will produce the largest distorted image. 
    • A. 

      Wide angle

    • B. 

      Macro

    • C. 

      Zoom

    • D. 

      Fisheye

  • 4. 
    The field of view is ______.
    • A. 

      Also known as the focal length.

    • B. 

      The horizontal and vertical area that the camera is supposed to be seeing.

    • C. 

      Solely dependent upon the size of the camera “chip.”

    • D. 

      Calculated by determining the distance of the imager to the front of the camera lens.

  • 5. 
    Professional photography lenses are interchangeable with CCTV designed lenses and produce a better quality image, but the cost is very high.
    • A. 

      True

    • B. 

      False

  • 6. 
    Depth of field is ______.
    • A. 

      The distance between the closest object and the farthest object in view that is in focus.

    • B. 

      Determined by the amount of light entering the lens.

    • C. 

      Not important in determining placement of a camera.

    • D. 

      All of the above

    • E. 

      None of the above

  • 7. 
    The cost of color cameras is so prohibitive that most videos from locations such as convenience stores are black and white.
    • A. 

      True

    • B. 

      False

  • 8. 
    When transmitting video over the Internet, which of the follow is true?
    • A. 

      Quality is not affected by the amount of cameras viewed.

    • B. 

      Resolution increases as the frames per second decreases.

    • C. 

      The more cameras, the more bandwidth is needed.

    • D. 

      Cameras cannot be viewed over anything other than an MFVN.

  • 9. 
    Using a lens with higher quality glass elements will produce better images.
    • A. 

      True

    • B. 

      False

  • 10. 
    Cameras are just one component of a complete integrated security solution.
    • A. 

      True

    • B. 

      False

  • 11. 
    Fill in the blanks:   ______  lux =  ______ footcandles.
    • A. 

      1 / 0.5

    • B. 

      0.5 / 1

    • C. 

      1 / 0.093

    • D. 

      1 /1000

  • 12. 
    Which of the following provide the greatest percentage of reflectivity?
    • A. 

      White plaster

    • B. 

      Snow

    • C. 

      A white painted wall

    • D. 

      An aluminum building

  • 13. 
    The following are all types of high-intensity discharge lamps except
    • A. 

      Mercury.

    • B. 

      Xenon.

    • C. 

      Metal-arc.

    • D. 

      Sodium.

    • E. 

      All are high-intensity discharge lamps

    • F. 

      None are high-intensity discharge lamps

  • 14. 
    The Inverse Square Law states that an object 
    • A. 

      That is twice the distance from the source will receive half the amount of illumination.

    • B. 

      That is twice the distance from the source will receive one quarter the amount of illumination.

    • C. 

      Double the distance away from a source will receive half the field of view.

    • D. 

      Moved two times the distance away from a light source will receive only half of the available illumination.

  • 15. 
    Calculating field of view and angle of views all require understanding
    • A. 

      Rhombus.

    • B. 

      Squares.

    • C. 

      Triangles.

    • D. 

      Rectangles.