Assertion: telescope's body | /r/HasProperty | the dioptre adjustment
Facets:
value: on binoculars
type: LOCATION
Source sentences:
text: Some low-budget entry-level monoculars from China claim "dual focusing", which means focusing by means of twisting either the main body of the monocular, and/or the smaller ring near the eyepiece (referred to as the dioptre adjustment on binoculars).