Assertion: eyepiece's length | /r/HasProperty | larger the object
Facets:
Source sentences:
text: For example, the longer the focal length, the larger the object: How faint an object can your telescope see: Where m is the limiting magnitude.
text: Given equal apertures, a longer focal length (therefore larger focal ratio) will bring the convergent cone of light from the objective to a focus at a shallower angle.