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Join Date: Dec 2006
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That's a lot of work to find all those posts, you can go find them as you are the one conducting the study, they are scattered throughout the calibration threads. I have seen various posts in the calibration threads about it, but no one is hardly using $15 meters in there, so who knows. Like I said, I don't know the accuracy of this meter.
Even if you just go read reviews, you will see some reviews claim 20% drop-offs from closest throw to farthest throws, while others claim 30%+ for the same projector. Not talking about lumens between reviewers, talking about throw modifier conflicts for the same model of projector between reviews.
Is it measuring technique, reflective light, meter error (obviously not all meter error), projector variances (not likely with this much variance), etc...
I don't know what it suggests nor do I have time to figure it out at this very moment, but it suggests something.