As a special form of cylinder lens, the achromatic cylindrical lens consists of two elements, usually of crown and flint glass, such that the composite element has been corrected for chromatic aberration with respect to two selected wavelengths. In these lenses, chromatic, spherical and coma aberrations are considerably reduced. These components are designed with respect to three wavelengths: 480 nm, 546nm and 644nm. Use achromats to replace singlets where performance must be improved.
Artifex also offers custom rod lenses for various applications. Rod lenses have the shape of a cylinder with a polished surface and are used to focus light in a line, analogous to cylindrical lenses. A wide range of substrates, available in custom sizes, specifications and coatings to suit your requirements.