Assertion: geometrical distortion | /r/RelatedTo | photographic lenses
Facets:
value: at the same image angle
type: MANNER
Source sentences:
text: Although modern research-grade microscopes are corrected in order to keep aberrations from spreading the image of a point source beyond the Airy disk, geometrical distortion of the image formed by microscope objectives tends not to be as well corrected when compared to photographic lenses at the same image angle.