Crossword puzzle clue "binoculars part"

the lens nearest the eye in an optical instrument

a piece of transparent matter with one or both surfaces curved to cause regular convergence or divergence of rays passing through it

(Greek) a solid figure of which the two ends are similar, equal, and parallel rectilineal figures, and the sides parallelograms

at a great distance

a birdwatching enthusiast

ESPY, to catch sight of

EYE, to watch closely