Wiktionary
night glasses
n. (night glass English)
Usage examples of "night glasses".
He studied the Grand Banks through night glasses, saw only one man standing at the helm on the bridge, and made the ultimate mistake of an aggressor-- he profoundly underestimated his adversary.
He couldn't have seen me using the night glasses, so he wouldn't have known that he needed concealment.
There might just happen to be some snooper with night glasses up on the hill.