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Current document root: SMPTE Journal ( Volume: 91, Issue: 9, September 1982)

Television Zoom Lens with Three Integrated Zoom Ranges

SMPTE • Journal Article • [Active]

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Level 1 — direct references (docs this doc cites)
  • 1. Macher K. , “Variable Focal Length Lenses for Color Television Cameras,” SMPTE Journal , August 1981 : pp. 695 – 707 .EXTERNAL
  • 2. Macher K. , “Optical Objective with Extended Varifocal Range,” U.S. Patent 4 196 970.EXTERNAL
  • 3. Bendell S. L. Johnson C. A. , “Matching the Performance of a New Pickup Tube to the TK-47 Camera,” SMPTE J. , Nov. 1981 : pp. 838 – 841 .EXTERNAL
  • 4. Macher K. , “Television Zoom Lenses of Modular Construction,” SMPTE J. , Sept. 1977 : pp. 636 – 641 .EXTERNAL