Name: DescenderPro - Motorized - 4.38 m (172.4 inches) - 3.5 m - 2.63 m - 4:3 - Mattwe
Brand: Projecta
SKU: 18617503
Price: 2872 CHF
Availability: InStock

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Projecta

Projecta DescenderPro. Drive type: Motorized, Diagonal: 4.38 m (172.4 inches), Viewable screen width (W): 3.5 m, Viewable screen height (H): 2.63 m, Native aspect ratio: 4:3, Screen surface: Matte white, Format: Video.

Actual product image Projecta DescenderPro - Motorized - 4.38 m (172.4 inches) - 3.5 m - 2.63 m - 4:3 - Mattwe (172.40", 4:3)

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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DescenderPro - Motorized - 4.38 m (172.4 inches) - 3.5 m - 2.63 m - 4:3 - Mattwe

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Projecta DescenderPro - Motorized - 4.38 m (172.4 inches) - 3.5 m - 2.63 m - 4:3 - Mattwe

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