Commodity200520062007200820092010
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ... $11,115    
Objective lenses (excl. of 9002.11), of any mat., mounted $12,011$71,793$24,313$2,348 
Filters (i.e., optical elements), of any mat., mounted  $30,762$16,253$26,015 
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$10,864,942$11,609,049$8,720,487$12,773,345$21,308,799$31,002,008
Total$10,864,942$11,632,175$8,823,042$12,813,911$21,337,162$31,002,008