Here is my speculation regarding the brightness of the HD25e. It seems that Optoma consistently overstates actual lumen output in the HD model line up. Per Art from projectorreviews, the HD25-LV specs say it can output 3200 lumens. He measured it at 1915 lumens on bright mode, wide angle and 1794 mid zoom. The HD25e claims 2800 lumens. This is 87.5% of the HD25-LV claim. Using that percentage, I would guess that it can do 1675 lumens (1915 x .875) in bright mode, wide angle, and 1569 lumens (1794 x .875) mid zoom.