Commodity20052006200720092011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$165   $14,261
Objective lenses (excl. of 9002.11), of any mat., mounted $3,880$341$1,792$4,388
Filters (i.e., optical elements), of any mat., mounted $564 $313$880
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...  $310$1,141 
Total$165$4,444$651$3,246$19,529