Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...      $29,936
Objective lenses (excl. of 9002.11), of any mat., mounted$2,921$870     
Filters (i.e., optical elements), of any mat., mounted$1,214,952$1,171,065$2,285,776$4,388,082$3,049,632$7,379,397$7,811,342
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$4,273,725$303,777$125,333 $679  
Total$5,491,598$1,475,712$2,411,109$4,388,082$3,050,311$7,379,397$7,841,278