Lighting
In most cases, the graphic is placed on the exterior side of the window where it is exposed to sunlight, with the interior lighting levels lower.
For optimum one-way visibility, lighting should be brighter on the graphics side than on the black (non-image) side. In some cases (e.g., interior store windows in a shopping mall), flood lighting may be needed to illuminate the graphics side to prevent the image from being transparent.
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Example of adequate lighting: Light is shining directly
on the graphics, and the outside lighting |
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Example of less-than-ideal lighting: Image becomes
translucent and is more difficult to see. |
Lighting considerations for hospitals and other health-care facilities,
correctional facilities, airports, etc.
Thanks to their one-way visibility, Clear Focus films have a variety
of security applications in locations where controlling visibility
is vital. If the film will be used in an interior setting, in particular,
we recommend testing it prior to application to ensure it will work
as needed under the exact lighting conditions.
Theater and other entertainment venue use
Clear Focus films can be used like scrims by changing the lighting
level to achieve the desired see-through effect.
Note that the pressure-sensitive film has a release liner that must
be removed and the film must be attached to a sheet of glass, clear
Plexiglas or other optically clear panel to obtain the see-through
effect.
Residential use
CLEAR FOCUS films are also suitable for residential use where they
provide privacy and insulation, reduce glare, and protect furniture,
drapes and carpets from the sun – all without blocking the
view or darkening the room.
Ideal for sliding glass doors and windows, kitchen and family-room windows, etc.
Important: At night, when the illumination level is brighter inside
the house than outside, it will be possible to see through the film
into the interior of the house. For this reason drapes or window
blinds may still be needed to provide the desired privacy.
