If I recall correctly Augie from TNVC wrote about this in one of the old threads and he reported skinny film beats all else for your definitely dim stuff but all NV tubes have limitations.My PVS14 is surely an L3 thin movie having a photocathode sensitivity of 2500uA/lm, I have viewed plenty of unfilmed tubes hover all around 2000uA/lm. I do not su