1. (noun) a transparent optical device used to converge or diverge transmitted light and to form images

• lens
• lens system

1. (noun) a transparent optical device used to converge or diverge transmitted light and to form images

• anastigmat
• anastigmatic lens
• camera lens
• optical lens
• compound lens
• concave lens
• diverging lens
• condenser
• optical condenser
• contact
• contact lens
• converging lens
• convex lens
• crown lens
• eyeglass
• monocle
• eyepiece
• ocular
• field lens
• fresnel lens
• intraocular lens
• meniscus
• object glass
• object lens
• objective
• objective lens

1. (noun) a transparent optical device used to converge or diverge transmitted light and to form images

• optical device