Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$1,793 $34$448$489$2,089$412
Objective lenses (excl. of 9002.11), of any mat., mounted  $448$416$290 $785
Filters (i.e., optical elements), of any mat., mounted$204$252$3,596$2,296$17,470$2,248$2,174
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$2,731$556$6,256$837$162$336$526
Total$4,728$808$10,334$3,997$18,411$4,673$3,897