Focus factor: How do you authenticate?
Biometrics: Iris-recognition product comparison chart.
| System | How proper eye placement is achieved | Distance of eye from camera |
| IrisAccess 3000 | By looking into a mirror so the eye is reflected within a rectangle drawn on the surface | 3 to 10 inches |
| Irispass-h | By holding the camera close to the eye and focusing on a blinking green rectangle | 1.5 to 2 inches |
| Panasonic Authenticam | By focusing on a large orange dot | 19 to 21 inches |
| Compatibility | |
| IrisAccess3000 | Microsoft Corp. Windows 2000 or XP |
| Irispass-h | Windows 2000 Service Pack 3, XP Professional Service Pack 1 |
| Panasonic Authenticam | Windows 2000, XP, NT 4.0 Service Pack 6a |
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