Assertion: eyepiece's field | /r/HasProperty | 0.5°
Facets:
Source sentences:
text: The magnification will be 100x (that is, 1,000/10) and the true field will be 50°/100x, or 0.5°
text: The true field would be 50\100, or 0.5° - about the same apparent diameter as the full moon.