Overview
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Available in tensioned electric and fixed-frame screens in sizes up to 23’ x 69’ (701 cm x 2,103 cm).
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Available in NanoPerf up to a 96” (244 cm) image height.
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Lens/Throw distance ratio for best brightness uniformity: 1.4:1 or longer.
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Gain: 1.0. Recommended viewing cone: 100°/ALR: 73%.
Imaging Science Foundation (ISF) Certification
Related Documents
Decoding Viewing Surface Names
Each surface has a name that includes the characteristics it has. The following shows
an example with definitions and examples of each area listed below.
![Viewing Surface Key](https://www.draperinc.com/images/ProjectionScreens/Draper_ViewingSurfaceKey_image.jpg)
X: Extra-wide. Half gain is greater than 60°
M: Moderate. Half gain is 30-60°
C: Controlled. Half gain is less than 30°
T: Typical. Surfaces with "typical" contrast are white in
color and are generally recommended for use where ambient light is
controlled.
H: High. Surfaces with "high" contrast usually have a grey
surface or substrate. Their black retention is enhanced and they
perform well under reasonable levels of ambient light.
S: Superior. This designation is reserved for surfaces with
remarkable contrast and resistance to ambient light. Our
"superior" surfaces will meet or exceed the contrast
offered by any competitive viewing surface.
The numeric portion of the name is its typical peak gain x 1000. Gain
levels of surfaces cover the full range from 0.6 to 3.2, and minor
variations may occur between the samples. Lower gain surfaces offer
excellent uniformity across wide viewing cones, for excellent edge
blending and consistent reproduction with short throw projectors.
Higher gain surfaces offer a more brilliant display in a variety of
settings.
* Gain is a measure of reflected or transmitted
brightness as compared to a block of magnesium carbonate, which
serves as the industry's standard for gain of 1.0. A more familiar
"real-world" comparison is with a matt white projection
screen. Most matt white screens have a fairly uniform light
distribution pattern with gain of approximately 1.0. Screens that
appear brighter on axis are concentrating reflected light in a
narrower area: the gain may be 2.5 on axis but 0.5 at 60° to the
side.
Some viewing surface codes include an E or V suffix after the gain
number.
E: Indicates a self-supporting viewing surface that is part of the
OptiView family and/or suitable for Draper Series E non-tensioned
screen models.
V: Indicates the surface is part of our OptiFlex family of tensioned
surfaces and/or suitable for Draper Series V tensioned screen
models.
Viewing Surface Family
TecVision’s carefully formulated surfaces offer unparalleled performance with individual features that set them apart. Each surface has lower gloss levels and more consistency for better brightness uniformity. The TecVision family offers four ambient light rejecting (ALR) surfaces for optimal image contrast and saturation in spaces with lighting. All gained white surfaces have extremely wide off-axis performance, which provides a huge savings when compared to the cost of purchasing a brighter projector. Each surface has black backing to prevent picture degradation caused from light behind the screen and are available in sizes up to 23’ x 69’ (7 m x 21m). There is a surface to meet the needs of every application within the TecVision family.