Optoma HD8600 Projector Review
We calibrate each home theater that is reviewed. We perform contrast, brightness, saturation and other image adjustments, as well as a grayscale balance. A complete professional calibration can go even further, but the settings we provide, generally offer a anywhere from a slight to dramatic improvement, compared to the out of the box settings.
Optoma HD8600 Color Temperature
These are the measurements, taken “right out of the box.” Mike chose Cinema 2 as our starting point for a “best” mode. To start, the HD8600 looked pretty good, though not exceptional. For example, it doesn’t look as good as, say the THX modes on the JVC or Epson projectors. (Apparently Epson and JVC are getting their money’s worth with the THX deal, in terms of out of the box color, if nothing else).
Color Temp over IRE Range, Best Mode (Pre calibration)
|30 IRE||6282K (dark gray)|
|50 IRE||6344K (medium gray)|
|80 IRE||6369K (light gray)|
|100 IRE||6529 (white)|
For those interested, here are the color temperature measurements (and lumens) for white (100 IRE), for each of the preset modes
Lumen Output and Color Temp at 100 IRE
|Cinema 1||579 @ 6451K|
|Cinema 2||787 @ 6529K|
|Reference||785 @ 6513K|
|Photo||801 @ 7548K|
|Bright||1132 @ 9021K|
|Graphics||1127 @ 8987K|
|User||785 @ 6499K|
As you can see, the Cinema modes, Reference and User all have starting color temperatures near the 6500K ideal.
The other three modes, are cooler, with Bright and Graphics “way cool” around 9000K. (If green is in balance even 9K can be watchable, but reds are way down, and therefore still not good color.
Mike also came up with another way of looking at the data. Here he measured the Bright mode, but for each of the different available color temps including what they call D93 (9300K). You can see that the native lamp temp is very cool, and as you lower the color temp, to achieve colors in the proper 6500K range, lumens drop off.
Optoma HD8600 Basic Settings
|Settings for measurements (default values are in parenthesis)|
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