Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ... $936$1,588$870$2,661$581$2,131
Objective lenses (excl. of 9002.11), of any mat., mounted$25,912$27,738$8,183$27,389$19,513$11,592$2,239
Filters (i.e., optical elements), of any mat., mounted$5 $471$8$3,403  
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$52,031$111,211$44,194$39,089$48,349$15,477$13,251
Total$77,948$139,885$54,436$67,356$73,926$27,650$17,621