Assertion: microscope's source | /r/HasProperty | mirror
Facets:
Source sentences:
text: The light source can be a mirror reflecting natural light or a lamp in the base.
text: A modern compound microscope also includes a source of light (either a mirror to catch external light or a light bulb to provide internal light), a focusing mechanism, and a stage (a surface on which the object being examined can be held in place).
text: The light source can be a mirror which reflects an outside light source, but as technology has progressed, LEDs and fiber optics are coming into more common use.