night sight

/ˈnaɪt saɪt/
noun
  1. The ability to see in low light or darkness; also, a device (such as on a weapon or camera) that allows vision in the dark.
    • The soldier used a night-sight to scan the field after sunset.
    • Owls have excellent night-sight, allowing them to hunt in the dark.
    • Her night-sight was poor, so she always carried a flashlight.
Synonyms