Projection planning
Use throw-ratio arithmetic as a first estimate
Multiply declared image width and ratio, then return to the exact manufacturer’s tables and conditions for the actual decision.
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Treat room and image geometry as model-specific questions.
Projection planning
Review the room before comparing projector brightness
Keep the intended viewing conditions and the exact model’s stated modes separate from a headline brightness number.
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Projection planning
Keep image width, height and aspect separate
Use explicit image dimensions and the actual model’s tables instead of treating a diagonal or aspect label as the complete room plan.
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