Commodity200520062007200820092010
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$2,347   $52$1,475
Objective lenses (excl. of 9002.11), of any mat., mounted  $11$632$627 
Filters (i.e., optical elements), of any mat., mounted $47 $388$1,232$32,312
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ... $280$118$35 $421
Total$2,347$327$129$1,055$1,911$34,208