I've been viewing our ST50 for the past few days I have not noticed any green blobs or fluctuating brightness. I've enjoyed watching this TV with quite a bit of varied content, DIRECTV,
BD, and lots of streaming. Today I invited my very good friend Ed Johnson to do the calibration and take all of the measurements.
Pre-Calibration, in the Custom mode we made one small adjustment to set the color temperature to "Warm 2" and the gamma was 2.1 and pretty flat with a slight bump at 90 IRE and the color temperature was 6874K, not bad for one small adjustment, however MLL, color accuracy was not great before calibration. To the eye with
BD content color saturation was good.
Post-Calibration this baby peaked its performance very nicely. I'm so happy to say we achieved a solid 2.2 gamma and as flat as a pancake across all IREs. With the contrast properly adjusted to 80 we measured the peak luminance *44fl without clipping! Bravo Panasonic Japan! With the dynamic contrast white clipping chart we could barely see the 250 scale, which is very good. And the MLL measured *.0047fl, also very good.
Download File: ST50_Calibration_Day_Mode_40fL.pdf
Then we generated the ANSI 16 square checkerboard and calculated ANSI contrast ratio of 5350 : 1.
Read more: First Review: 2012 Panasonic VIERA TC-P50ST50 50-Inch 1080p Full HD 3D Plasma TV - Home Theater Forum and Systems - HomeTheaterShack.com