Assertion: lens's image | /r/HasProperty | upside-down
Facets:
value: with respect to the object
type: OTHER
Source sentences:
text: The sign convention here dictates that if M is negative, as it is for real images, the image is upside-down with respect to the object.
text: The sign convention here dictates that if M is negative, as it is for real images, the image is upside-down with respect to the object.