The Rift isn't tracking those fingers with its external sensors (we aren't quite at the level of true "finger presence" yet), but Oculus cleverly put capacitive touch sensors on the controllers ...

E3 2015: Oculus Rift's Touch Controllers Will Wreck Your Sense of Reality After playing with these, you might not want to handle anything delicate.

How to fix Oculus Rift S Touch tracking issues Touch tracking issues on the Oculus Rift S seem to be tied in with the new Passthrough+ system not working properly.

While Quest & Rift S surely have the widest controller tracking coverage we’ve from similar inside-out systems, both had notable deadzones when bringing the controllers very close to the headset.

The Oculus Rift now offers a great combination of controls and apps for next-level VR and some room tracking, but it offers a less expansive experience than the Vive.

Finger-tracking goodness But before we get to the Index itself, we have to talk about the controllers.

Knuckles EV2 also features various capacitive touch sensors to measure a user's grip on the controller and buttons - similar to the Oculus Rift controller's capacitive controls.