achromatic-aplanatic condenser
A condenser lens corrected for both axial chromatic aberrations at two wavelengths (in the red and blue) and spherical aberration.
See also: condenser , chromatic aberration , spherical aberration
A condenser lens corrected for both axial chromatic aberrations at two wavelengths (in the red and blue) and spherical aberration.
See also: condenser , chromatic aberration , spherical aberration