Bought these with moderately high expectations, and fully understanding the limitations of first generation night vision technology, I can say I'm satisfied with the performance. They work ALMOST as good as the military grade night vision gear I used in the 1980's. If you do a bit of research you'll see that 2nd generation night vision optics are significantly more expensive. If you're rich go for 3rd gen equip. Lesson here is Gen 1 stuff is affordable, but comes up a little short from turning night into daytime.
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