- free from spherical aberration and coma.
Origin of aplanatic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for aplanatic
- (of a lens or mirror) free from spherical aberration
C18: from Greek aplanētos prevented from wandering, from a- 1 + planētos, from planaein to wander
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Of or relating to an optical lens that is free from chromatic or spherical aberration.
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