Basic Tips about Aspherical LensesThe curvature of the lens of this kind of lenses is better. It maintains the good performance of aberration correction to obtain the required performance. The use of aspheric lenses brings outstanding...view
Optical Lens Coating Technology and DevelopmentIn daily use, the friction with dust or grit (silicon oxide) will cause the inorganic or organic materials made glasses lens scratched the surface. Compared with the glass, the hardness of organic mat...view
Optical System DesignThe use of any kind of optical instruments and the conditions of use will certainly make demands on its optical system. Therefore, we must understand its requirements to the optical system before we c...view