Why do some NVGS have 4 lenses?

Why do some NVGS have 4 lenses?

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How do quad night vision goggles work?

U

What night vision do seals use?

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Why does Sam Fisher have 3 goggles?

l

Can you buy Gpnvgs?

i

Can a civilians buy panoramic night vision?

k

Can Civilians Buy EOTech?

e

How much does Gpnvg cost?

Is Gpnvg legal?

s

Can Civilians Buy Gpnvg?

o

Are quad nods legal?

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