Assertion: telescope's eyepiece | /r/CapableOf | offer a 52-degree field of view
Facets:
Source sentences:
text: A 2x extension lens provided in the kit, which also includes a moon map and general observation booklet detailing more than 60 locations to explore, doubles the magnification of both the included 25mm and 10mm eyepieces, which offer a 52-degree field of view.