Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$2,076   $36,901$33,445 
Objective lenses (excl. of 9002.11), of any mat., mounted   $2,078 $43$543
Filters (i.e., optical elements), of any mat., mounted $1,712$64,314$740$52,968$2,029 
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...   $349$1,120 $3,974
Total$2,076$1,712$64,314$3,167$90,989$35,517$4,517