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ellisdj said:To Gel
Light output or luminance is controlled via the contrast not the brightness - if you lower the brightness because you think the image is too bright then you are actually reducing the black level and most likely crushing the blacks.
I did mention this to you before - I am sure it was you who posted images and videos of your TV and I said the blacks look crushed to me.
The GT50 has a max luminance of 90 cd/m22 and the LX5090 has a max luminance of 136cd/m/2 so I honestly cant see it being brighter image as its nearly half the output again
However its the gamma that sets the overall brightness of the image across the grey scale spectrum and if thats off then the image may appear brighter when actually its not. A Gamma of 2.2 is often recommended for a room with some light, however if you run the gamma at 2.0 the image will be brighter but also washed out by comparison. Its not a case of changing the brighness to adjust the overall light output.
I feel you may have never seen the best from your LX5090 so your Panny appears better because of that - closer to calibrated out of the box on THX Cinema than the Kuros were - they need calibrating (few minor adjustments)
Its also not about being a fan boy - its about is it worth buying - is it going to be that much better. I dont see why Panasonic would mess the settings up to do a side by side test at a show - that just seems silly to me. However I do know that the LX or KRA needs to be calibrated otherwise it doesnt look anything like its best - out of the box is good, but not great. And you can get a very good calibration out of it - fantastic grey scale, near flat gamma at 2.2 with a perfect luminance that tracks the output curve - but not with colour -3, not on my set
In terms of knowing from a demo - i think I could pretty much tell with a 1 hours demo and a few blu ray films whether its better and worth the £4k investment, it wouldnt need to be side by side - but I mentioned it as it would be very interesting to do and review / report back on. I think it would be a very big seller in terms of mags
That is fair enough and what I did.