What is another word for anastigmat?
Pronunciation: [ˈanastˌɪɡmat] (IPA) 
Anastigmat refers to a photographic lens that produces images without distortion or blurriness. This is achieved through the use of several lens elements that correct various optical aberrations. Synonyms for anastigmat include "apochromatic," "achromatic," and "astigmatism-free," all of which refer to lenses that produce highly accurate images with no distortion or loss of sharpness. Other related terms include "telecentric," which refers to a lens that produces images with consistent magnification at various distances from the sensor, and "aspherical," which refers to lenses that have non-spherical surfaces that help to reduce various types of lens aberrations. Overall, these synonyms describe lenses that are highly precise and designed to produce the most accurate images possible.
