Da-Lite: Rear Projection Screen Surfaces

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Rear Projection Screen Surfaces

Da-Lite offers three types of Rear Projection Screens: Diffusion, Profiled and flexible fabric screens.

Da-Lite's Polacoat Diffusion Screens offer two types of substrates, transparent glass (Da-Glas) or acrylic (Da-Plex) and choice of six extremely fine, precise optical coatings.

Da-Lite profiled type screens feature a lens on their back surface which is formed by a series of concentric circular grooves each cut at a different angle. These grooves reduce the incident angles of light rays from the projector making more light available for transmission directly to the audience.

Flexible fabric screens are generally used for situations where portability is a prime concern. It offers high light transmission for optimal viewing.

Note: Custom gain performances are available upon request.

Polacoat Diffusion Screens Substrates
Da-Glas^TM A glass substrate for long service life with high optical quality and maximum sound isolation. Standard sizes up to 10' x 20' and larger by request.	Da-Plex^TM A rigid acrylic substrate for increased breakage resistance. It offers lightweight, good optical quality and good sound isolation. Standard sizes up to 9' x 18' and larger by request.

	Screen surface can be cleaned.		Flame retardant.
	Mildew resistant.		Number shows the degrees from the center of the axis of the screen that the projected image is brightest to the audience.
	Indicates Goniophotometer reflectance readings. The higher the number, the greater the light transmitted to the audience.

Polacoat Optical Coatings
DA-150 A neutral white screen exclusively designed for specialty applications requiring wide off-axis viewing under controlled or low ambient light conditions. (formerly DA-WA) 60° 1.5	DA-100 A neutral gray screen that provides contrast, uniformity and color rendition ideally suited for high resolution applications. (formerly DA-WA N) 65° 1.0
DA-180 A neutral gray screen well suited for multi-image displays where bend angles from some images may be severe. It makes a good choice for audiences with a wide seating arrangement. (formerly DA-1N) 50° 1.8	DA-230 An excellent choice where a balance between gain and viewing angle is needed. Ideal for situations with a high level of ambient light. (formerly DA-3N) 40° 2.3
Video Vision A special coating process generates a screen ideal for video projection under controlled light conditions. Offers an exceptionally wide field of view so each audience member will observe a uniform, bright, sharp image with no color shift. 55° 1.0

Profiled Type
Display Screens
Da-View
Offers a bright image at a relatively wide field of view perfect for single image display.

Dai Nippon
Giant Screen
This screen is a single element optical system with two active lens surfaces. The back surface is a Fresnel lens with a pitch of .5mm and the front surface is a lenticulation array with a pitch of 0.8mm.
21° 3.0
Wide Angle Screen
This screen is a single element double profile cast acrylic with the back surface comprising a Fresnel lens and the front surface exhibiting an array of lenticulations. Fresnel grooves have a pitch of .5mm and the lenticulations have a .33mm pitch.
32° 3.5
Graphics Screen
This screen is a double element system with four active lens surfaces. The rear element includes a Fresnel lens towards the front surface. The front element consists of a lenticular lens array. The front side has a unique wide angle lenticular array with a pitch of .33mm.
32° 3.5
Black Stripe Screen
This screen is a double element with four active lens surfaces. The rear element is a horizontal lenticular lens on the back with a Fresnel lens on the front side. The back of the front element is a lenticular lens array with a pitch of 1.04mm - 1.2mm. The front surfaces is a black stripe system covering 37% of the screen surface for ambient light absorption.
41° 4.0

Flexible Fabric Screens
Da-Tex^TM
A neutral gray vinyl surface that yields excellent color rendition, image contrast, and a wide viewing angle.

35°

2.3

Dual Vision
A unity gain flexible fabric capable of both front and rear projection. The surface is ideal for video projection where light is controllable. With its exceptionally wide viewing angle, each seat in the audience will observe a uniform, bright, sharp image with no color shift.
50° 1.0

Front Projection Screen Surfaces
Selecting the Right Screen

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