Commodity200520062007200820102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...    $23,618$228
Objective lenses (excl. of 9002.11), of any mat., mounted $1,380    
Filters (i.e., optical elements), of any mat., mounted$2,690$5,418    
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$133,261$211,296$149,575$235,918 $5,063
Total$135,951$218,094$149,575$235,918$23,618$5,291