Assertion: eyepiece's eye lens | /r/HasProperty | recessed
Facets:
value: no longer
type: TEMPORAL
Source sentences:
text: Attaching an eyecup to the eyepiece body reduces the available eye relief, however, as the eye lens of the eyepiece must be recessed somewhat to provide a lip for attaching the eyecup.
text: Since the eye lens is no longer recessed, the observer has full access to all of the designed eye relief.