Answer: binoculars

AnswerCrossword Clue
BINOCULARSOpera glasses, e.g.
BINOCULARSBird-watcher's need
BINOCULARSBird watcher's accessory
BINOCULARSNeed them for nosebleed seats
binocularsBINOCULAR, a binocular telescope
binocularsAn optical instrument with a lens for each eye, used for viewing distant objects