Assertion: microscope's objective | /r/HasProperty | a plan apochromat
Facets:
Source sentences:
text: The objective in the illustration (Figure 1) is a plan apochromat that enjoys the highest degree of optical correction.
text: Objectives that have flat-field correction and low distortion are called plan achromats, plan fluorites, or plan apochromats, depending upon their degree of residual aberration.
text: Objectives that have flat-field correction and low distortion are called plan achromats, plan fluorites, or plan apochromats, depending upon their degree of residual aberration.