Their lenses for telescopes and microscopes and photographic cameras, and glass and prisms, and for all chemical and other scientific work, have a worldwide reputation. 威廉·亨利·杜利特.世纪发明.
By means of other lenses and prisms an image of the external object is thus made visible to those within the submarine. 佚名.神奇的知识之书.
Lenses are very similar to prisms; indeed, two prisms placed as in Figure 69, and rounded off, would make a very good convex lens. 伯莎M.克拉克.科学通论.