13

Figure 12. Average error vs. Distance (mm)

Typical Performance Characteristics

Figure 11. Mean Resolution vs. Z (White Paper)

Mean Resolution vs. Z (White Paper)

0

200

400

600

800

1000

1200

1400

1600

1800

2000

Distance from Nominal Focus (mm)

White Paper

Manila

Burl

Black Walnut

Black Copy

Z

DOF

DOF

OPERATING REGION

Typical Path Deviation

Largest Single Perpendicular Deviation From A Straight Line At 45 Degrees

Path length = 4 inches; Speed = 6 ips; Resolution = 1600 cpi

0

5

10

15

20

25

30

35

40

45

50

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

Distance From Lens Reference Plane To Navigation Surface (mm)

Relationship of mouse count to distance = m (mouse count) / n (cpi)

eg: Deviation of 7 mouse count = 7/1600 = 0.004375 inch ~ 0.004 inch

where m = 7, n = 1600

White Paper

Manila

Burl

Black Walnut

Black Copy

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PixArt Imaging Inc.

PixArt Imaging Inc.