Cold Processing Procedure of Optical Lens
The first way: milling, is to remove the uneven surface of optical lens bubbles and impurities, (about 0.05-0.08) play a forming role.The second process is to eliminate the damage layer of the milling...
Aspherical Lens are Lighter, Thinner, Flatter
The spherical lens is with a constant curvature from the center of the lens to the edge, while the aspherical lens changes continuously from the center to the edge. In photographic lenses, many aberra...
The Introduction of Bandpass Filter
A bandpass filter is a filter that can pass the frequency component within a certain frequency range but attenuate the frequency component of the other range to a very low level. An example of analog ...
The Use of Filter in the Counterfeit Detector
The currency detector is an optoelectronic instrument for checking the authenticity of banknotes, involving many fields such as machinery, electricity, light, and magnetism. The counterfeit identifica...
The Advantage Application of Fresnel Lens in LED Projection Lamp
Usually, the Fresnel lens is cut into a spherical surface shape in order to minimize the optical aberration of the image during imaging. The lens can better align an ideal point light source into a pa...
How Much do You Know about the Projector Lens?
There are very few popular science on projector lenses. We often pay attention to chips, color wheels, heat dissipation, etc., but sometimes overlook the lenses that can be easily seen.Viewed from the...
Fresnel Lenses are Closely Related to Our Lives
At present, the main application fields of Fresnel lens include projection and solar photovoltaic field. Because the edge of the light penetrated through Fresnel lens is soft, it is often used in dyei...
What Kind of Lens is the Best Choice for the Projector Lens
Lenses of different materials will have different effects on the picture. According to the projector lens on the market at present, their lenses are mainly divided into two types, one is glass lens, t...
The Applications of Fresnel Lens
Fresnel lens is a branch of lens. Compared with other lenses, Fresnel lens has the advantages of small volume, light weight and compact structure. At the same time, it has good focusing property and i...
How to Maintain Projector Lens?
At present, projectors are very popular. In addition to choosing and using them, we also have to maintain them well. Next, I will teach you some correct ways to maintain the projector lens and talk ab...
What Advantage does Sapphire Lens Have?
One type of part is indispensable in the composition of a watch, that is, the watch cover. After the renewal of the watch era, the watch cover has become wear-resistant and scratch-resistant, and the ...
The Advantages and Application Range of Infrared Lens
1. Advantages of infrared lens1. The focus of infrared lens is consistent with visible light, and the image is more clear.2. The infrared lens adopts the latest optical design and special optical glas...
Factors to Consider When Choosing an Infrared Lens
1. The importance of infrared lensThe lens is an indispensable part of the infrared thermal imager. Its function is to converge the infrared radiation of the target on the infrared detector, and throu...
How Much Do You Know about the Telecentric Lens Application?
1. Application advantages of telecentric lensOne of the important advantages of telecentric lenses is that changes in object distance do not affect the magnification of the image. The telecentric lens...