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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 18, Iss. 2 — Mar. 1, 1929
  • pp: 118–122

Optics InfoBase > JOSA > Volume 18 > Issue 2 > MOTION PICTURES IN RELIEF



JOSA, Vol. 18, Issue 2, pp. 118-122 (1929)

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HERBERT E. IVES, "MOTION PICTURES IN RELIEF," J. Opt. Soc. Am. 18, 118-122 (1929)

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  1. C. W. Kanolt, U. S. Patent, 1,260,682; 1918.
  2. Ives, "A Camera for Making Parallax Panoramagrams." J.O.S.A. & R.S.I.; Dec. 1928.
  3. 3 The practical juxtaposition of their points of view might be assisted by placing a second and third series of cameras pointing upward and downward, receiving their light from semitransparent mirrors at 45° placed in front of the lenses of the first series.
  4. 4 Small, slow deviations from proper registration would have the effect of apparently slowly shifting the observer's position—such a shift introduced by moving the camera has been used purposely to give the illusion of relief in motion pictures.
  5. 5 Both of these defects of the parallax panoramagrams can be materially lessened if, instead of gratings consisting of opaque lines, a structure of parallel cylindrical lenses is used. This form of grating would be entirely feasible in the relatively large screen involved in motion picture projection.

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