Thursday, 19 June 2014 17:54


Additional Info

  • ID Code: L6-43
  • Purpose: Distortion by a simple lens.
  • Description:

    Viewed from about 30 cm in front of a large diameter 20 cm focal length convex lens, the back edge of a matchbox about 10 cm behind the lens appears longer than the front edge.

    For large groups, a TV camera is positioned about 30 cm in front of the lens, as in the above photograph.

  • Availability: Available
  • Loc codes: L6, OM1
Read 1651 times Last modified on Monday, 28 September 2020 14:41
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