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DAF Screens, with more than 20 years of experience in manufacturing rear-projection-screens, has experience in micro-lenses to optimize viewing-angles without loosing resolution and at the same time reduce "hot-spot".
Our knowledge with micro-lenses, used with new developments in projectors (not least the new Ultra-short-focal projectors from Sanyo, Hitachi and NEC with mirrors) has lead us to new products: VisionFoil
VisionFoil can be mounted on a window (shopwindow) by simple soap-water (soap with ph-value of 7, lilke "babysoap" is useful. Here is an example of VisionFoil mounted on a glass in A "Video-van" in MumbaY: HERE
This screen solutions make it easy for shopkeepers, retailers and other professionals to project messages from a PC direct to tress-passer.
An illustration of White Diffusionfoil in New York, USA can be watched HERE.
DAF Screens has 3 type of projection-foils in width of 1520mm:
1. Transparent HoloFoil.
2. Grey DiffusionFoil with enhanced contrast.
3. White DiffusionFoil with enhanced transmission.
The Transparent Holofoil can be watched HERE
If you have questions about this, do not hesitate to mail:
Illustrative MOUNTING-VIDEO of VisionFoil can be seen HERE. Mounting Touch-Foil is done by the same procedure. | 
