(a.) Not astigmatic; -- said especially of a lens system which consists of a converging lens and a diverging lens of equal and opposite astigmatism but different focal lengths, and sensibly free from astigmatism.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). anastigmatic. Retrieved September 23, 2026, from http://smartdefine.org/anastigmatic/definitions/1973591 |
| Chicago | Webster's. 2011. "anastigmatic" http://smartdefine.org/anastigmatic/definitions/1973591 (accessed September 23, 2026). |
| Harvard | Webster's 2011, anastigmatic, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/anastigmatic/definitions/1973591>. |
| MLA | Webster's. "anastigmatic" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/anastigmatic/definitions/1973591> |