Assertion: fixed lens | /r/CapableOf | correct aberration
Facets:
value: for one focal length
type: OTHER
Source sentences:
text: An important issue in zoom lens design is the correction of optical aberrations (such as chromatic aberration and, in particular, field curvature) across the whole operating range of the lens; this is considerably harder in a zoom lens than a fixed lens, which needs only to correct the aberrations for one focal length.