Assertion: telescope | /r/HasAspect | focal length
Facets:
value: near goes into the scope
type: OTHER
Source sentences:
text: – having a higher f/ratio means that your telescope has a longer focal length and telescope tube while a lower f/ratio means shorter focal length and telescope tubes.
text: Every scope has a focal length, which is effectively the distance from the primary lens or mirror to the image it forms.
text: What we don’t: The telescope is pretty expensive and has less focal length.
text: Almost every telescope ever made will have the focal length marked on it, usually near where the eyepiece goes into the scope.