Assertion: lens's image | /r/HasProperty | visible
Facets:
value: in a circle
type: LOCATION
value: on a screen
type: LOCATION
Source sentences:
text: This image may be either real—photographable or visible on a screen—or virtual—visible only upon looking into the lens, as in a microscope.
text: Four images are visible in a circle surrounding the lens; a fifth is visible near the centre of the picture.