Commodity20052007200820092010
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$47 $91$25,040 
Objective lenses (excl. of 9002.11), of any mat., mounted $118   
Filters (i.e., optical elements), of any mat., mounted  $895$1,746$1,729
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...    $61
Total$47$118$986$26,786$1,790