Assertion: meniscus lens | /r/HasAspect | convex surface
Facets:
value: conversely
type: MANNER
Source sentences:
text: Conversely, a positive meniscus lens has a steeper convex surface and is thicker at the centre than at the periphery.
text: Conversely, a positive meniscus lens has a steeper convex surface and is thicker at the centre than at the periphery.