Maintaining the projector lens: thoroughly remove dust from the projector lens surfaceⅠ

After using the projector lens for a period of time, stubborn dust will adhere to the surface, resulting in lower light efficiency and lower image quality. And how to clean the projector lens, it is different from cleaning the camera lens. The lens diameter of the projector is large, and since most people do n’t cover the lens cover, they are exposed to the air for a long time, and the dust adheres more seriously, so cleaning is more complicated.

Clean the projector lens surface

There are two main steps to cleaning the projector lens: first, blow off the dust on the surface, and second, wipe off the dirt on the lens surface. However, improper operation can easily cause a lot of scratches like glasses and reduce the picture quality. Let's take a look at the example pictures and see how to clean the surface of the projector lens.

The first step of projector lens maintenance-blow off the dust on the surface of the projector lens.
 
The dust on the surface of the projector lens usually has large particles. If it is wiped directly, the particles will grind the surface of the lens and easily scratch the lens surface. There are usually three ways to blow off the dust on the surface of the projector lens:

Clean surface dust

Use professional projector dust removal tool-air gun, which is supplied with high-pressure gas by air pump; use a blower to blow like a master repairing a watch; for ordinary users, when there is no special tool, it is also a direct blow Yes. However, it is okay to pay attention to the small number of units. If there are more projectors, it may cause hypoxia. In these three methods, the tool does not touch the lens surface, so it will avoid scratching the lens surface with large particles of dust.