Is the anti-light projection screen worth buying? How to choose?

I bought a projector and measured the white wall without pulling the curtains during the day. (I don’t believe the online publicity, my projection brightness is 2200 lumens, the daytime projection effect is still not available, and the projection of those LED light sources is even less.) So I moved the idea of ​​resisting the light curtain. Taobao made several samples of material anti-light curtains and made a comparative evaluation. Three protagonists:
White soft screen: picture frame screen 100 inch 820 yuan, 120 inch 1150 yuan
Anti-light soft screen (alias: gray crystal metal screen, silver diamond screen): picture frame screen frame screen 100 inch 1150 yuan, 120 inch 1420 yuan
Anti-light hard screen (alias: black diamond anti-light curtain): picture frame screen 100 inch 1580 yuan, 120 inch 1850 yuan
Anti-light soft screen contrast anti-light hard screen (alias: black diamond screen)

1. Both surfaces are gray. The soft screen feels thick plastic sheet, the material of large-format inkjet printing. The hard screen feel is a hard plastic cardboard.
2. The two screen projection effects are similar, the hard screen feels darker and the contrast is higher. The brightness of the projector is not particularly high, and the soft screen effect may be better.
3. The soft screen is more fragile than the most common white fiberglass curtain, suitable for fine players. The hard screen is more rugged and is highly recommended for players who have a bear child at home.

Contrast test of the projection effect, look at the picture specifically, deliberately pick the shot when the morning is brighter, the projection wall and the window are squatting. Here is the conclusion:
1.When the curtains are not pulled during the day, the anti-light curtain can only say that there is effect, the light has a great influence on the projection effect, and the projection effects of the white wall and various curtains are not available.
2.50% blackout curtains during the day (simulating the scene without blackout curtains), white wall, white screen projection effect is not available, anti-light curtain can see the image, but the effect is not ideal.
3.When the curtains are 100% blackout cloth during the day, the white wall, white curtain and anti-light curtain are very good. The light-resistant screen shows a higher contrast in black, but the details of the dark parts are also reduced.
The flatness of the curtain has an effect on the display effect.
Choose suggestions:
1.Anti-light curtain can not solve the problem of ambient light too bright, do not expect the value is too high. Especially when the projection wall and the window are close to each other, the influence is greater. No matter how good the light curtain is, it is not as good as a blackout curtain.
When the ambient light is not particularly bad, the anti-light curtain will slightly enhance the display effect. If it is an indoor environment that has to be turned on, it is necessary to purchase it.
1.In the dark environment, the display of the anti-light curtain is slightly worse than the white wall, mainly in the details of the dark part. It is not recommended to use a light-resistant screen for use in dark environments.
2.Anti-light soft screen display effect will not be worse than the more expensive hard screen, but the material is softer, people worry about life, choose soft or hard depends on whether there is a bear child.
3.Not bad money from the perspective of service life recommended hard screen; a little money, no bear child’s recommended soft screen; the most cost-effective direct white wall or cheap, strong glass fiber screen.
(source: https://www.projection-screen-supplier.com/is-the-anti-light-projection-screen-worth-buying-how-to-choose/)