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Newcon Optik NV66-G2 User Manual

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3.3 Spatial frequency-contrast characteristic

Frequency, lines/mm

Contrast transfer

coefficient

2.5 0.83
7.5 0.56

15.0 0.30

3.4 Field of view cleanness

Allowed spot

diameter,

m

I ZONE

0 - 5, 6

mm

II ZONE

5, 6 - 14,7

mm

III ZONE

14,7 - 17, 5

mm

Over 250

0

0

0

150 to 250

0

0

1

100 to 150

0

2

2

50 to 100

1

3

3

0 to 50

Not specified