Assertion: normal lens | /r/PartOf | first group
Facets:
value: with 35 and 40 mm lenses
type: OTHER
Source sentences:
text: Normal" lenses, those that cover one radian in at least one of their inscribed or escribed image circles, belong to the first group, with 35 and 40 mm lenses closer to one radian than 50mm lenses.