Table 1.

The measured NEMA NU2-20218 spatial resolutions

Offset Distance (cm)	FWHM (mm)
	Axial	Tangential	Radial	Average (Product Tolerances)
1	4.23	4.31	4.27	4.27 (< 5.50)
10	5.24	4.80	5.18	5.07 (< 6.00)
20	7.02	5.78	7.15	6.65 (< 7.00)