GoPro Hero 3 52mm Filter Adapter BlurFix3 Micro 52
Now you can adapt 52 mm filters to your Hero3 camera when using your camera without it's housing! This adapter was made for weight critical applications. You can mount a Neutral Density filter on your Hero3 while flying your quadcopter to minimize or eliminate the "Jello Effect". This adapter is precision CNC machined out of Delrin(R) for ultimate durability.