How to optimize image size and distance
Consult the table below to find the optimal image sizes achievable when the
projector is positioned at a desired distance from the screen. Example: If the
projector is 3 m from the screen, good image quality is possible for image sizes
between 78" and 94".
Figure: Fixed distance with different zoom and screen size.
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Note: Remind as below figure, the space of 158 cm height is
required when located at 3m distance.