Commodity20052006200720082009
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$550,384$117,981 $221,370$40,055
Objective lenses (excl. of 9002.11), of any mat., mounted  $46,911$24,388$281,432
Filters (i.e., optical elements), of any mat., mounted  $68,843$36,348 
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...    $34,904
Total$550,384$117,981$115,754$282,106$356,391