How to choose AVELI screen?
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What type of screen to choose?
Stable mounted screens
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Manual roller screens
Operated manually, the screen can be stopped at different heights thanks to the built-in locking mechanism. -
Electric motorized screens
Remote control, built-in motor. Perfect for frequent using. -
Frame screens
Tensioned on metal structure. Ideal for permanent installation with perfect flat surface.
Portable screens
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Tripod screens
Lightweight and easily portable, great for presentations in a variety of locations. -
Floor-up screens
Ejects from the floor, practical and space-saving solution.
We offers: manual, electric, tripod, frame & floor-up screens.

How to choose aspect ratio?
Choosing the right aspect ratio for your projection screen depends on the type of content you will be projecting most often.
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16:9 – wide angle format
Ideal for movies, game consoles, YouTube, home cinema. -
4:3 – classic format
Suitable for school or company presentations, PowerPoint, charts. -
1:1 – square format
Suitable for specific applications such as technical drawings and tables. -
16:10 – combined wide angle format
A modern ratio for professional presentations or computer work.
We offers: 1:1, 4:3, 16:9, 16:10.

How to determine the distance to place the screen?
Use a multiple of the screen width to calculate the optimal distance of the screen from the projector:
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16:9 format
Screen wide x 1,5 up to 2,5 (due to the greater width, a greater distance is required) -
4:3 format
Screen wide x 1,5 up to 2
Also, the viewer should sit at a distance of 1.5 to 2.5 times the width of the screen to make the image comfortable to watch.
We offers: 72“ up to 400“.

What is gain?
Gain, luminance - this is a parameter that indicates the degree of light reflectance compared to a standard white screen (gain 1.0).
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Gain 1.0
Standard reflectivity. The image is bright, natural, evenly diffused. -
Gain > 1.0
The screen reflects more light towards the viewer, the image looks brighter. Suitable for bright rooms or weaker projectors. -
Gain < 1.0
Screen reflects less light but improves contrast and blackness (e.g. for grey screens in dark rooms). Ideal for home cinema.
Higher gain can have a narrower viewing angle - the image is only clear directly in front of the screen. Too much gain can cause a "hotspot" - a bright center of the image.
We offers: 0,9, 1,1, 1,3.

