Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$3,455,396$4,622,433$6,121,419$7,296,810$3,917,066$6,584,899$6,660,300
Objective lenses (excl. of 9002.11), of any mat., mounted$818,012$915,289$1,793,397$1,609,413$1,242,496$1,988,412$1,595,010
Filters (i.e., optical elements), of any mat., mounted$722,514$744,159$911,148$993,022$873,541$1,441,205$1,299,658
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$2,925,141$3,576,452$7,493,306$7,147,984$5,308,048$5,859,206$5,928,690
Total$7,921,063$9,858,333$16,319,270$17,047,229$11,341,151$15,873,722$15,483,658