This may sound a little silly, but bear with me. Leap Motion’s hand tracking is fantastically accurate. It’s also a very small form factor and is usb powered. Pimax has already confirmed finger tracking with the sword sense controllers.
Now here’s my suggestion. Instead of using whatever methods that they’re currently using to attempt accurate finger tracking, why not integrate leap motion tracking into the tracking ring. This would have the added advantage of very precise finger tracking. Not to mention that since they’re strapped onto your hands there would be no need for wide fov tracking. This may also speed up development of the controllers.
They could get away with using the first generation Leap Motion, or even a cheaper custom made model with low fov built specifically for the Pimax. Some may think this must be too expensive, but considering a first generation Leap Motion is only 90$, this could very well be feasible. If they partner with Pimax to create a nerfed smaller version, this could really be a hit. @PimaxUSA @PimaxVR @Matthew.Xu