Spanners are you talking about the Newcon NV207-G2+ or Newcon in general ?.
The NV207-G2 is a cheeper Nightvision option and is priced accordingly - but there Gen3 XT is as good as any Gen3 available - to say any 'exportable' Gen 3 is going to have low specs is hardly fair.
I've used the Newcon NV33 Gen 3 was very impressed with the quality of the manufacturing and the clarity tube.
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