Commodity20052006200720082009
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$5,196 $88,228$3,241$1,786
Objective lenses (excl. of 9002.11), of any mat., mounted$51,312$5,214$154,421$137,204$170,219
Filters (i.e., optical elements), of any mat., mounted$1,754  $2,544$7,197
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$234,535$9,743$14,297$7,700$7,732
Total$292,797$14,957$256,946$150,689$186,934