As described in the MiniScan EZ Specification sheet, the MSEZ comes in 4 geometry and area-of-sample-view "flavors":
MiniScan EZ Diffuse Sphere LAV views a 20.0 mm sample area within a 25.0 mm port.
MiniScan EZ Diffuse Sphere SAV views a 8.0 mm sample area within a 14.3 mm port
MiniScan EZ Directional 45/0 LAV views a 25.0 mm sample area within a 31.8 mm port.
MiniScan EZ Directional 45/0 SAV views a 5.0 mm sample area within a 6.0 mm port.
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