Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$209,575$1,173,002$981,635$1,177,704$8,811,853$11,502,268$9,854,549
Objective lenses (excl. of 9002.11), of any mat., mounted$3,981,104$3,950,195$3,282,642$2,975,318$1,974,952$1,748,485$1,493,649
Filters (i.e., optical elements), of any mat., mounted$2,789,028$4,209,419$3,818,339$5,116,263$3,458,690$3,092,355$3,269,219
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$1,574,574$488,940$325,918$285,782$958,237$309,653$449,230
Total$8,554,281$9,821,556$8,408,534$9,555,067$15,203,732$16,652,761$15,066,647