Assertion: camera's lens | /r/HasProperty | a 7 element
Facets:
Source sentences:
text: This lens is not the same as any of the Leica M 28mm F2.8's, being a 7 element, 5 group design  while contemporary Leicas were 8e/6g (Elmarit II '72–'79 and Elmarit-M III '79–'93).