handheld instrument for seeing at a distance that consists of two telescopes, a focusing device, and usually prisms, käsimõõtevahend kauguses nägemiseks ja kauguse mõõtmiseks, mis koosneb kahest pikksilmast, teravustamisseadmest ja tavalistest prismadest, two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects