HTS code 9013.10.45.00 covers "Lasers, other than laser diodes; other optical appliances and instruments, not specified or included elsewhere in this chapter › Telescopic sights for fitting to arms; periscopes; telescopes designed to form parts of machines, appliances, instruments or apparatus of this chapter or section XVI › Telescopes designed to form parts of machines, appliances, instruments or apparatus of this chapter of section XVI" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.