super water proof multi-coated lens
fully coated photo lens
Prepainted Hot-Dip Aluminum-Coated and Zinc-Coated
corneal lens(lenses) lens
object lens objective lens
objective lens object lens
plane-concave lens (=plano-concave lens)
plane-convex lens (=plano lens)
short focal length lens (=short-focus lens)
variable focus lens vari-focus lens
vari-focus lens variable focus lens
3-layer polyethylene coated pipe
5% aluminum-zinc coated steel