Assertion: lens's image | /r/HasProperty | free
Facets:
value: from chromatic aberration
type: OTHER
value: from achromatism
type: OTHER
Source sentences:
text: Definition: An achromatic lens can be defined as a lens which is made by a combination of two different types of lenses carrying different focal powers in a manner such that the images formed by the light of both the combined lenses are free from chromatic aberration or achromatism.