optical device
Fresnel lens
anastigmat
anastigmatic lens
camera lens
compound lens
concave lens
condenser
contact
contact lens
converging lens
convex lens
crown lens
diverging lens
eyeglass
eyepiece
field lens
intraocular lens
meniscus
monocle
object glass
object lens
objective
objective lens
ocular
optical condenser
optical lens
fashioner
jewishness
money
popularisation
suppl