Commodity20052006200720082009
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$3,289$1,309$14,555$28,318 
Objective lenses (excl. of 9002.11), of any mat., mounted$1,111$19$1,568$98,458$11,057
Filters (i.e., optical elements), of any mat., mounted$292$3,824$21 $3,139
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$672$142$2,237$5,047$1,500
Total$5,364$5,294$18,381$131,823$15,696