Optoma HD8200 Projector Review
Optoma HD8200 Post Calibration Grayscale
Post calibration, we ended up with excellent grayscale balance which was evident, when watching the HD8200.
That’s about as tight, and as close to 6500K as any projector is likely to get.
Gamma: The closest gamma to the target 2.2 for movie viewing is Standard, which averaged 2.13, definitely pretty close.
These are the adjustments we made to Red, Green and Blue for the grayscale balance of the User mode, to get the measurements listed above.
Calibration settings: (default in parenthesis)
|Red Gain||1 (1)|
|Green Gain||0 (0)|
|Blue Gain||-1 (2)|
For a quick calibrate of “brightest mode” Mike recommends using Reference. He reports that after brightness and contrast are adjusted, it has the brightnest measurements, and also has the best grayscale of the “brighter” modes. He says: “It looks good, as is, but knocking down Blue Gain a bit improves the picture with a minimal loss of lumens.” I found his recommendation to work well, though I left blue alone, and it looked fine watching some March Madness basketball.
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