Hi, I use to ride at night one day a week. I own a GoPro Hero 2 and it doesn't works fine using old lupine lights like Nightmare or Dealextreme 1200 lumen.
With 4 led magicshine light (1600 lumen claimed, 1200 real)results are acceptable, but with Lupine at 8 watt. (900 lumen) results are much better than with magicshines. Using 28 watt power (2600 lumen), light is too bright and I think GoPro can't process well contrast between light/dark
8 watt. mode Betty with Hero2
Mtbr's 2016 Winter Biking GearReviews and Roundups
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