Q: What distance between eye tracker and user?
A: The Tobii Eye Tracker 4C works from a distance of 50 – 95 cm / 20-37”.
Q: What is the maximum screen size it works with?
A: For Tobii Eye Tracker 4C, the maximum screen sizes are:
- 27 inches with a 16:9 Aspect Ratio
- 30 inches with a 21:9 Aspect Ratio
We do not recommend that you use a larger screen. especially for our Windows Interaction features, but for some gaming features like Extended view it would work pretty well.
Q: What is the Tobii EyeChip?
A: The world’s first eye tracking ASIC and located on the eye tracker, the EyeChip contains all Tobii algorithms necessary for eye tracking computation. The addition of EyeChip significantly reduces power consumption, CPU load and data transfer between the eye tracker and its host computer.
Q: What’s the data rate?
A: The frequency is 90 Hz. The Tobii Eye Tracker 4C collects 90 images of the eye per second.
Q: Do I not need a USB 3.0 port anymore? Is it possible to use a USB 2.0 port?
A: Yes, the Eye Tracker 4C has a USB 2.0 integrated cord and can be powered by both a USB 2.0 and a USB 3.0 port.
Q: Is it possible to use a Tobii Eye Tracker together with TrackIR?
A: We cannot recommend to use them simultaneously as we have seen issues where they can interfere with each other, however, we have received positive user feedback.
Q: What sort of head tracking does it support?
A: Position and rotation.
- Position: X, Y and Z.
- Rotation: X, Y and Z (pitch, yaw and roll).
Q: Will it work on curved screens?
A: Yes, it works on curved screens, but we currently do not provide mounting plates that are tuned for them.