Aspherical lens elements

... is introduced, three or four elements are often required to collimate laser diode light. In contrast, a single aspheric lens collimates without introducing spherical aberration. When used to collimate ...

... higher degree of correction than spherical surfaces thereby providing for improved performance out of a simple, single element lens. This range of microlenses have been corrected for use with a standard ...

... Axio microscope models. Like new condition - no marks, scratches or signs of use - perfect optics. This is a newly designed lens with a higher NA and more resolving power than ever before. The best choice for any lower ...