Commodity200520062007200820092010
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$891$1,805$1,905$12,624$11,039$1,934
Objective lenses (excl. of 9002.11), of any mat., mounted$3,063$10,422$4,988$8,786$2,480$4,298
Filters (i.e., optical elements), of any mat., mounted$5,248$4,507$4,159$16,939$12,728$1,624
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$8,829$3,102$14,176$16,117$15,257$15,428
Total$18,031$19,836$25,228$54,466$41,504$23,284