Lasers, other than laser diodes; other optical appliances and instruments, not specified or included elsewhere in this chapter
Lasers (excl. laser diodes)
Optical appliances and instruments, n.e.s. in chapter 90
Parts and accessories for lasers and other appliances and instruments, n.e.s. in chapter 90
Telescopic sights for fitting to arms; periscopes; telescopes designed to form parts of machines, appliances, instruments or apparatus of chapter 90 or section 16, chapters 84 and 85