lens-coated

multi-coated lens

single-coated lens

super water proof multi-coated lens

fully coated photo lens

corneal lens lens

Prepainted Hot-Dip Aluminum-Coated and Zinc-Coated

corneal lens（lenses） lens

Lens-to-lens interval

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

2-coated

3-layer polyethylene coated pipe

5% aluminum-zinc coated steel