what is the difference between gen1 and gen 3 night vision?
Generation 3 NVD's are the best of the best when it comes to civilian grade night vision. ... generation 3 is generally reserved for military, law enforcement and those seeking the best equipment on the market. Gen 3 life expectancy trumps generation 1 and 2 by offering between 7,500 and 10,000 hours of tube life.