Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$2,000$278$765$25,928$80,393$21,350$7,738
Objective lenses (excl. of 9002.11), of any mat., mounted $3,195$10,096$56,351$100$6,009$2,149
Filters (i.e., optical elements), of any mat., mounted $1,460     
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ... $100$17,470$805$91$3,967$2,561
Total$2,000$5,033$28,331$83,084$80,584$31,326$12,448