Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$3,230 $176,051$59,375$63,914$5,306$16,024
Objective lenses (excl. of 9002.11), of any mat., mounted$3,856$4,539$4,154$827$9,113$20,683$11,255
Filters (i.e., optical elements), of any mat., mounted$736$650 $1,219$20,956$7,423 
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$7,282 $40,126$19,958$1,473$62,163$10,810
Total$15,104$5,189$220,331$81,379$95,456$95,575$38,089