I went to three locations with different sorts of roads for
what seemed like a "reasonable" test.
The photos were all taken with a Canon A80 using its automatic settings, and
the images tweaked a bit to correct for the camera being smart, so as to more
accurately represent the subjective brightness.
Note! When I took these pictures I was using H11 bulbs for both low and
high beam. I've since converted to (and I supply) H9 bulbs for the high beam.
That increases the light output by a noticable amount, increasing the high beam's
efficacy a fair amount.
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