Night play?

[DeltaStrikeOp]

Sorry, I meant like, a border around the vision field. But yeah, as you can see in this picture, you can't see any color while in night vision goggles. The green overlay actually is an effect put after the picture has been amplified. Night vision technology yields a black and white colored image, but it has a green overlay to be "easier" on the eyes.

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Unless you're talking about those 80k USD goggles we see in Zero Dark 30 by the ST6 Operators. Then you almost get the same vision field as when you don't wear goggles