8
Spatial frequency-contrast characteristic
Frequency, lines/mm
Contrast transfer
coefficient (XT)
2.5 0.88
7.5 0.72
15.0 0.50
Field of view cleanness
SPOTS DIAMETER
ZONE 1
ZONE 2
ZONE 3
IN MICRONS
Ø5.6MM
Ш5.6-Ш14.7MM Ш14.7-Ш17.5MM
> 230
0
0
0
150 - 230
0
1
1
75 - 150
0
1
2