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Projected Image Contrast Calculator

Projected Image Contrast Calculator

Ensure Perfect Contrast for Every Install

Projected Image Contrast Calculator

Take the guesswork out of projection design – use our contrast calculator to meet industry standards and deliver the best visuals.

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For meeting rooms start with looking at 150 lux measured on-screen illuminance, then drop it to, say, 50 lux.

This demonstrates the startling fact: projected image contrast is entirely controlled by ambient light. In normal ProAV applications, projector contrast has no impact whatsoever.

Use this tool to understand why, if you can’t completely control ambient light, the use of ambient light rejecting (ALR) screens - namely dnp Supernova - is essential.

Image contrast calculator (SI Units).

Update the red fields and hit enter to calculate the image contrast...

Image contrast calculator. Front screen black levels are limited by ambient light falling on screen.
(This calculator assumes projector black levels are perfect!)

lux
gain
nit
so...
ANSI lumens
inches (diagonal)
so...
mm
mm
m2
nit
so...
:1



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If you're planning a meeting space, teaching space, or large venue display, our expert team can recommend the perfect screen, projector, or display solution, optimised for contrast, brightness and standards compliance – tailored to your needs.


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