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Projection Calculator
These charts will enable you to select the Navitar lenses best suited to your audio visual requirements. These projection
chart calculations are based on a 35mm slide format with an aperture that is 1.346 inches wide and 0.902 inches high.
Measurements are made from the film plane to the screen. With Navitar fixed focus lenses, the tolerance in the projection
focal length is +/-1%. Closer matching tolerances are available on request.
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