Quote:
Originally Posted by Paperbackstash
I can match the brightness of the PW3 by turning it up quite a bit more, but it slightly washes out the text.
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In your pictures, it looks like maybe there's a difference in the color temperature of the LED's between the PW3 and PW4. Or, it could be that Amazon does not have tight tolerances and the color temp could just vary from PW to PW. You'd never notice unless you compared two side-by-side.
On the plus side, the PW4 lighting in your picture looks smoother to me than the lighting on the PW3. You can see the shadows at the bottom of the PW3 screen (yeah, my PW3 has those same shadows). Didn't they increase the LED count from three to four on the new PW4? I seem to remember someone mentioning something like that. That might account for the smoother look.
Color temperature can fool your eyes. We interpret the light that tends more towards blue ("cooler" temperature) as being brighter and more contrasty. But it's also harsher. Think about the headlights on newer cars. Boy they sure look brighter and whiter coming at you. They are. But we also hate to look into them while they're frying our eyeballs. Most people prefer the older, warmer headlights when facing an oncoming car. Not so harsh.