Newcon Optik NVS 7-4X Spatial frequency-contrast characteristic, Field of view cleanness

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	Ø5.6-Ø14.7MM	Ø14.7-Ø17.5MM
> 230	0	0	0
150 - 230	0	1	1
75 - 150	0	1	2

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