planapochromat

planapochromat
Expensive microscope objective that is corrected for spherical aberration and chromatic aberration at three wavelengths.

Dictionary of molecular biology. 2004.

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  • Hans Boegehold — (* 28. Juli 1876 in Niederstüter, heute zu Sprockhövel; † 14. Mai 1965 in Jena) war ein deutscher Mathematiker und Optiker. Boegehold studierte Mathematik an der Universität Jena und war Hörer der letzten Vorlesung von Ernst Abbe. Boegehold… …   Deutsch Wikipedia

  • spherical aberration — Deficiency in simple lenses in which the image is sharp in the centre but out of focus at the periphery of the field, more a problem when taking photographs than when observing directly. Lenses compensated for this defect are referred to as plan… …   Dictionary of molecular biology

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