And BTW, here's an image of mine, light at full strength in a pitch black room:
https://www.mobileread.com/forums/att...1&d=1357762892
There is a hotspot at the edge on the lower left, and the light is of course uneven at the bottom, but it is more pronounced in the picture than in real life. And I never use this setting either, around 10 is my maximum.