TREA

Focusing arrangements

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Industry

  • CPC
  • G03B3/00
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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR

Current Industry

G03B3/00Focusing arrangements

Sub Industries

G03B3/02moving lens along baseboard G03B3/04adjusting position of image plane without moving lens G03B3/06using movable reflectors to alter length of light path G03B3/10Power-operated focusing G03B3/12adapted for remote control
Industries