Assertion: telescope's value | /r/HasProperty | two numbers
Facets:
value: always
type: DEGREE
Source sentences:
text: Zoom values will always be two numbers separated by a hyphen (e.g. 8-20) and then followed by the objective lens diameter (e.g. 8-20×50).
text: Zoom values will always be two numbers separated by a hyphen (e.g. 8-20) and then followed by the objective lens diameter (e.g. 8-20×50).