Commodity200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$623,110$488,612$547,588$1,284,993$2,446,033$1,747,601
Objective lenses (excl. of 9002.11), of any mat., mounted$251,531$437,382$541,053$124,315$293,341$589,952
Filters (i.e., optical elements), of any mat., mounted$127,135$138,405$108,430$143,251$315,082$157,421
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$2,105,073$4,350,927$6,113,472$5,351,573$519,295$83,603
Total$3,106,849$5,415,326$7,310,543$6,904,132$3,573,751$2,578,577