Originally Posted by
Tourist in MSN
The Superflash is on the left, the Superflash 65 is on the right. The dyno powered taillight on the fender is typically off when touring, as I am charging batteries instead.
I'm finding it quite difficult to compare lights.
My current scheme is to put them 6" apart and back off 50 feet.
There's probably a way of using neutral density filters and making a video so see which is the last to be visible.
Or maybe just dark glasses.