Spatial Frequency-Contrast Characteristics (Mtf)10; Field Of View Cleanness - Newcon Optik NVS 14 Operation Manual

5.2 Spatial frequency-contrast characteristics (MTF)
Frequency,
lp/mm
2.5
7.5
15.0
5.3

Field of view cleanness

SPOTS DIAMETER
IN MICRONS
> 230
150 - 230
75 - 150
HD Grade
0.87
0.67
0.42
ZONE 1
Ø5.6MM Ø5.6-Ø14.7MM Ø14.7-Ø17.5MM
0
0
0
10
XT Grade
ZONE 2
0
1
1
0.88
0.72
0.50
ZONE 3
0
1
2