Commodity200520062008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...  $6,660 $1,332$1,387
Objective lenses (excl. of 9002.11), of any mat., mounted $285 $2,970$598$604
Filters (i.e., optical elements), of any mat., mounted $6,235$45 $3,587$166,420
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$1,014$107$45 $347$302
Total$1,014$6,627$6,750$2,970$5,864$168,713