Lenses are transparent optical components consisting of one or more pieces of optical glass with surfaces so curved (usually spherical) that they serve to converge or diverge the transmitted rays from an object, thus forming a real or virtual image of that object.
We offer a wide range of custom lenses and standard lenses for almost any application.
|Lens Type||Function||Costs||Image Quality|
|Spherical Singlet Lenses||Focussing to one point||Low||Limited image quality due to chromatic and spherical aberration|
|Spherical Doublet Lenses||Focussing to one point||Average||Chromatic aberration is corrected for two selected wavelengths. This additionally leads to a significant correction of the spherical aberration.|
|Aspheric Lenses||Focussing to one point||High for small quantities Average for high quantities||Spherical aberration is fully corrected for a selected wavelength. Generally useful for a wide range of single wavelengths. Since chromatic aberration is not corrected, images are blurred in broadband applications.|
|Cylindrical Lenses||Focusing to one line||Average||Corresponds to the spherical singlet, but is only used for focussing in a plane.|
|Range of dimensions||1mm – 300mm|
|Highest available surface figure||λ/10 (DIN: 3/0.2)|
|Highest available surface quality||20-10 S/D (DIN: 5/2×0.1)|
In addition to our custom components, we offer a selection of standard lenses for prototyping and experimenting.