- a compound lens corrected for the aberrations of astigmatism and curvature of field.
Origin of anastigmat
1885–90; < German, back formation from anastigmatisch anastigmatic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for anastigmat
Historical Examples of anastigmat
For those, however, who wish even greater efficiency and capabilities, we supply the anastigmat lens equipments.
This makes a most desirable outfit at a surprisingly low price for an anastigmat equipment.
- a lens or system of lenses designed to be free of astigmatism
Word Origin for anastigmat
C19 from an- + astigmatic
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