Assertion: eyepiece's field | /r/HasProperty | the area of sky
Facets:
Source sentences:
text: The true field (or real field) of view is the area of sky seen through the eyepiece when it's attached to the telescope.
text: The true field (or real field) of view is the area of sky seen through the eyepiece when it's attached to the telescope.
text: The true field (or real field) of view is the area of sky seen through the eyepiece when it's attached to the telescope.
text: The true field (or real field) of view is the area of sky seen through the eyepiece when it's attached to the telescope.