Chineselens Blog

What are dichroic mirrors(filters)? Dichroic filter is a very accurate color filter used to selectively reflect other colors through a small range of light. In contrast, dichroic mirrors tend to

What is aspheric lens? 9 important parameters you must know before you choose aspheric lenses The aspheric lens has a better radius of curvature and can maintain good aberration correction

Generally speaking, the spherical lens is thicker; the imaging through the spherical lens will deform. The aspheric lens, on the other hand, is thinner and lighter, and make a more