Assertion: aperture's depth | /r/HasProperty | located near the top of the lens mount
Facets:
value: on the nikon d2x camera
type: LOCATION
Source sentences:
text: On the Nikon D2X camera the depth of field preview button is located near the top of the lens mount, but its position varies on different camera brands and may not be present on cheaper (under $1,000) cameras.