IRNV Optics

IRNV Optics, or infrared/night vision optics, is an optics option with night vision, that highlights heat signatures as orange. This is useful for finding enemies at night, through foliage, or other possible cover.

Battlefield 4
IRNV Optics are optics set to appear in the upcoming game Battlefield 4 developed by DICE. They appear as an "Optics" equipment option for several vehicles.