Assertion: lens's image | /r/HasProperty | presented at focal plane
Facets:
value: to an eyepiece
type: TRANSITIVE-OBJECT
value: to film plate
type: LOCATION
value: to ccd
type: LOCATION
Source sentences:
text: The focal length controls the field of view of the instrument and the scale of the image that is presented at the focal plane to an eyepiece, film plate, or CCD.