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 ...view
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...view
The Applications of Fresnel LensFresnel 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...view
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...view
5 Ways to Use Fisheye Camera LensesWith fisheye camera lenses, it is very easy to take creative photos. Fisheye camera lenses are usually not very expensive and can shoot very wide scenes. It is important to understand the fisheye lens...view
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