Quote:
Originally Posted by shinew
My understanding for most of people's complained in this thread is that some claim to notice literally "whiter" background on K3 than the K4 under any circumstances(although from my testing of 4x KT, 1x K4 & 2x K3, they're identical), including having done a full refresh, not just the texts rendering or contrast difference. Since the background is the off state for the eInk display, it should have nothing to do with the software settings or temperature when compared side by side.
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The perceived brightness of the background is in contrast to the bezel. It would naturally appear whiter next to a graphite bezel on a K3 or DXG. The K4NT and Touch have silver bezels that can appear much lighter depending on viewing angle and lighting conditions caused by higher reflectivity. When holding the new kindles to maximize light on the eInk display, it also makes the silver bezels appear rather bright, which makes to eInk background appear correspondingly dark.
For a fair comparison, you need to cover both bezels with equally dark border material. Your eye adjusts to brightness and contrast variations much like how modern cameras automatically compensate for variations in lighting. With a lighter bezel the newer kindles would appear to have a darker backround both for the human eye AND for a camera, unless the bezels where covered so that they receive equal comparisons. Even when zooming in with a camera, light sensors may adapt to lighting conditions outside the field of view. Your eye behaves the same way due to persistence of vision and changes in pupil diameter.
The only REAL way to compare displays is to measure the reflectivity with a calibrated instrument designed specifically for that purpose. Any other comparison is based mostly on perceptual differences, and from a scientific point of view, is therefore flawed.
But the bottom line is, you need to do whatever makes YOU happy. You cannot let reality interfere with that.
