Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$18,759$5,366$83$14,268$8,623$14,975$24,000
Objective lenses (excl. of 9002.11), of any mat., mounted$3,016$46,830$10,999$3,500$6,100$38,990$46,000
Filters (i.e., optical elements), of any mat., mounted$60$919 $1,577$16$8,643 
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$3,620$8,692$6,628$12,629$1,575$1,565$34,000
Total$25,455$61,807$17,710$31,974$16,314$64,173$104,000