Name: Rollo Professional
Brand: Celexon
SKU: 5804000
Price: 237 CHF
Availability: InStock
Rating: 5 (1 reviews)

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Celexon

The Rollo Professional is ideal for high-quality seminar rooms. However, it also delivers outstanding results at home in a home theater, thanks to its excellent quality. The screen has very good flatness due to its thick, heavy fabric. The Rollo screen can be locked in multiple positions thanks to a special mechanism. This allows you to set not only the 1:1 format but also other formats such as 4:3, 16:9, or 21:9. The screen has a gain factor of 1.2, optimized for projections with LCD and DLP projectors, allowing for a wide viewing angle. A black backing ensures that no light is lost, making your projection always appear clear. This means you can also use the screen in front of a window. A black border and/or lead-in enhance contrast and improve the flatness of the fabric. The delivery includes mounting materials, instructions, and a pull cord.

Actual product image Celexon Rollo Professional (112", 1:1)

Key specifications

Gain factor

The light amplification factor, or gain factor, is an important factor when selecting a screen. Factor tells you something about the reflective properties. An ordinary white sheet of paper has a gain factor of about 1.0. It scatters the incident light homogeneously and diffusely in all directions. Thus it appears practically always equally bright, no matter from which angle you look at it.

Picture walls with a gain above 1.0 try to reflect a certain amount of light more specifically towards the audience, which usually sits axially in front of the picture. Developers achieve this through special surfaces and coatings. They take, so to speak, a small step towards the properties of a mirror. A gain of 2.0 describes a screen that - measured on axis - reflects twice as much light as a perfectly diffuse surface with 1.0. This is why we speak of amplification.

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