| Eye tracker |
Cameras | 1 |
| Sampling rate | 60 Hz non-varying - optimal for distance-related fixation recognition |
| Accuracy | < 0.4° |
| Remote eye tracking |  |
| Principle | full range monocular |
| Bright Pupil Method |  |
| Calibration | 5/9/13 points, custom calibration objects |
| Real-time eye image from the cameras |  |
| Modular design |  |
| Automatic eye detection |  |
| Software |
Operating system | Windows XP, Vista, 7, 8 (32 or 64 bit) |
| API/SDK | C, C++, Delphi, Java |
| Extensions | Presentation®, ET-Server (E-Prime®) |
| Data output (brief) |
Raw eye data | left or right eye, pupil size |
| Eye motion | fixation detection, saccades |
| Synchronisation signals (e.g. EEG or other devices) |  |
| Real-time observing | gaze position, fixations/saccades (2 samples latency), real-time eye images |