field glass

field glass

n.

A portable binocular telescope without prisms used especially outdoors for viewing distant objects. Often used in the plural: used a pair of field glasses to watch the marsh birds.

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field glass

n

1. a small telescope often incorporating a prism and held in one hand

2. a former name for field glasses

Thesaurus

Noun

1.

field glass - a small refracting telescope         spyglass, glass refracting telescope - optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece