Assertion: mm lens | /r/HasProperty | the best example
Facets:
value: from the 1960s
type: TEMPORAL
Source sentences:
text: Pancake lenses have been around for a while with Nikon's 45mm GN Nikkor lens being the best example from the 1960s, but the lenses really became popular in the 1980s, when they were used in compact SLR cameras.