Definition of anastigmatic in English:

anastigmatic

adjectiveˌanəstɪɡˈmatɪkˌænəstɪɡˈmædɪk

(of a lens system) constructed so that the astigmatism of each element is cancelled out.
（透镜系统）消像散的
Example sentencesExamples
- Important special cases of stationary anastigmatic mounts and their performance are presented.
- It is thus an object of this invention to provide a three mirror anastigmatic optical system employing conic mirrors wherein the system is off-axis in both aperture and field angle.
- A table of parameters for anastigmatic lenses is included.
- By increasing 2, as compared to the anastigmatic design, the coma can be cancelled completely.
- Devices that reduce technical difficulty and anastigmatic time when repairing large vessels such as the thoracic aorta would be beneficial.

Origin

Late 19th century: from an-¹ 'not' + astigmatic (see astigmatism).

Definition of anastigmatic in US English:

anastigmatic

adjectiveˌanəstiɡˈmadikˌænəstɪɡˈmædɪk

(of a lens system) constructed so that the astigmatism of each element is canceled out.
（透镜系统）消像散的
Example sentencesExamples
- Devices that reduce technical difficulty and anastigmatic time when repairing large vessels such as the thoracic aorta would be beneficial.
- It is thus an object of this invention to provide a three mirror anastigmatic optical system employing conic mirrors wherein the system is off-axis in both aperture and field angle.
- A table of parameters for anastigmatic lenses is included.
- By increasing 2, as compared to the anastigmatic design, the coma can be cancelled completely.
- Important special cases of stationary anastigmatic mounts and their performance are presented.

Origin

Late 19th century: from an- ‘not’ + astigmatic (see astigmatism).

单词	anastigmatic
释义	Definition of anastigmatic in English: anastigmatic adjectiveˌanəstɪɡˈmatɪkˌænəstɪɡˈmædɪk (of a lens system) constructed so that the astigmatism of each element is cancelled out. （透镜系统）消像散的 Example sentencesExamples Important special cases of stationary anastigmatic mounts and their performance are presented. It is thus an object of this invention to provide a three mirror anastigmatic optical system employing conic mirrors wherein the system is off-axis in both aperture and field angle. A table of parameters for anastigmatic lenses is included. By increasing 2, as compared to the anastigmatic design, the coma can be cancelled completely. Devices that reduce technical difficulty and anastigmatic time when repairing large vessels such as the thoracic aorta would be beneficial. Origin Late 19th century: from an-¹ 'not' + astigmatic (see astigmatism). Definition of anastigmatic in US English: anastigmatic adjectiveˌanəstiɡˈmadikˌænəstɪɡˈmædɪk (of a lens system) constructed so that the astigmatism of each element is canceled out. （透镜系统）消像散的 Example sentencesExamples Devices that reduce technical difficulty and anastigmatic time when repairing large vessels such as the thoracic aorta would be beneficial. It is thus an object of this invention to provide a three mirror anastigmatic optical system employing conic mirrors wherein the system is off-axis in both aperture and field angle. A table of parameters for anastigmatic lenses is included. By increasing 2, as compared to the anastigmatic design, the coma can be cancelled completely. Important special cases of stationary anastigmatic mounts and their performance are presented. Origin Late 19th century: from an- ‘not’ + astigmatic (see astigmatism).
随便看	exact/close likeness exacted exacter exacter exacting exacting exactingly exactingly exactingness exactingness exaction exactions exactitude exactitude exactitudes exactive exact likeness exactly exactly exactly right (exactly) the same exactly what's needed exactly when exact match exactment