Without this item, the projector is useless no matter how expensive it is!Ⅰ

August 29, 2022

For many friends who have already purchased a projector, choosing a suitable screen is another laborious task that requires "doing homework". When we have bought projectors worth several thousand yuan or tens of thousands of yuan, and there is no good imaging carrier - a curtain, isn't that blind?

In order to save everyone the time to do their own homework, the intimate editor has compiled a guide on how to buy curtains, let's take a look!

01
When purchasing curtains, be sure to pay attention to these parameters

Before understanding the type of screen, we must first understand the two core parameters of screen purchase: gain and light resistance.

Gain
Gain is the key to determining the brightness of the picture and an important parameter for improving the brightness of the image. Low-gain pictures are easily affected by ambient light. For example, turning on the lights or opening the curtains will cause the picture to become white.

However, the gain of the screen is not as high as possible, too high will cause the white balance to be out of balance, the picture will be overexposed, and the viewing angle will also become smaller.

The so-called viewing angle refers to the angle at which the projection screen can be clearly seen when sitting on the side. If you have a large viewing space at home, it is recommended to buy a curtain with a large viewing angle, so that you can get a better viewing experience when gathering with friends and people sitting on the side.

It is recommended that when choosing a screen, you should also combine the performance of your own projector. The brightness of the projector is high, and the gain of the screen can be lower to maintain the color and layering of the picture; if the brightness of the projector is low, choose a high gain. Curtain to improve projection brightness and clarity. In general, the gain value is better between 0.9-2.0.

light resistance

Light resistance refers to the ability of the screen to resist stray light in the environment.

Note that anti-light and the gain just now are not the same thing! Gain is to make the picture itself brighter, while light resistance is to be less disturbed by other light in the environment. Generally, a curtain with good light resistance will not gain too high, because it will also weaken the light from the projector to a certain extent, and the two cannot have both.

Therefore, if you often see projections in bright places, try to choose a screen with good light resistance.

02
There are so many types of curtains, how to distinguish them?

At present, there are many types of curtains on the market, such as fiberglass curtains, soft curtains, metal curtains, etc. In fact, it is not difficult to distinguish them.

From the classification of curtain material, it can be divided into soft white curtain, white plastic curtain, glass fiber curtain and glass bead curtain, as well as metal curtain and sound-transparent curtain for local tyrants.

For home use, it is recommended to buy glass fiber curtains or soft white curtains, both of which are relatively cost-effective. The gain of white glass fiber is 1.0 to 1.5, and the viewing angle is >150 degrees; the gain of the soft white screen is 1.0 to 1.2, and the viewing angle is relatively large.

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