TREA

Filters or other obturators specially adapted for photographic purposes

Follow

Industry

  • CPC
  • G03B11/00
This industry / category may be too specific. Please go to a parent level for more data

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

G03B11/00Filters or other obturators specially adapted for photographic purposes

Sub Industries

G03B11/02Sky masks G03B11/04Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids G03B11/041Lens caps as separate accessory G03B11/043Protective lens closures or lens caps built into cameras G03B11/045Lens hoods or shields G03B11/046for viewfinders or eyepieces G03B11/048Hoods or caps not provided for in groups G03B11/041 - G03B11/046 G03B11/06Lens caps for exposure making
Industries