An objective made using the mineral fluorite (calcium fluoride). Fluorite has a low refractive index and low dispersion. It produces objectives that provide improved color correction and less spherical aberration.
Synonyms and Related Terms
Fluorit-Objektiv (Deut.); objectif en fluorite (Fr.);
Resources and Citations
- ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982
- Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972