1) линза; лупа; объектив
2) чечевицеобразный сгусток (напр. краски)
- achromatic lens
- anastigmatic lens
- apochromatic lens
- biconcave lens
- biconvex lens
- bloomed lens
- camera lens
- collecting lens
- collective lens
- collimating lens
- color lens
- color-corrected lens
- composite lens
- compound lens
- contact lens
- condenser lens
- convergent lens
- corrected lens
- correction lens
- distortion lens
- divergent lens
- double concave lens
- focusing lens
- high light lens
- interchangeable lens
- long-focus lens
- magnifying lens
- microfilm recorder lens
- objective lens
- pancratic lens
- photographic lens
- planoconcave lens
- planoconvex lens
- positive lens
- process lens
- projecting lens
- projection lens
- reproduction lens
- short-focal lens
- slow-acting lens
- telephoto lens
- thin lens
- zoom lens