Anastigmatic – Definition & Meaning

Anastigmatic is a term that is not commonly used in everyday language, but it has a significant meaning in certain fields. The word anastigmatic is derived from the Greek words “anastigmata” which means “without astigmatism.” It is a term that is often used in the fields of optics and photography.

Definitions

Anastigmatic refers to a lens or an optical system that is designed to minimize or eliminate astigmatism. Astigmatism is a condition where the light rays are not focused on a single point, resulting in a blurred image. An anastigmatic lens or optical system is designed to ensure that all the light rays are focused on a single point, resulting in a clear and sharp image.

Origin

The word anastigmatic was first used in the late 19th century. It was coined by the German physicist and optical designer, Ernst Abbe. Abbe was a pioneer in the field of optics and is credited with the invention of the apochromatic lens, which is an anastigmatic lens that corrects for chromatic aberration.

Meaning in different dictionaries

Anastigmatic is not a commonly used word, and it may not be found in all dictionaries. However, some dictionaries define anastigmatic as “free from astigmatism” or “correcting for astigmatism.”

Associations

Anastigmatic is a term that is often associated with the fields of optics and photography. It is used to describe lenses or optical systems that are designed to produce clear and sharp images. Anastigmatic lenses are commonly used in cameras, microscopes, telescopes, and other optical instruments.

Synonyms

Some synonyms of anastigmatic include clear, sharp, focused, and precise.

Antonyms

Some antonyms of anastigmatic include blurry, unfocused, and imprecise.

The same root words

The root word of anastigmatic is “anastigmata,” which means “without astigmatism.”

Example Sentences

  1. The anastigmatic lens in my camera produces incredibly clear and sharp images.
  2. The microscope was equipped with an anastigmatic objective lens, which allowed us to see the smallest details.
  3. The telescope’s anastigmatic design eliminated any distortion and provided a crystal-clear view of the night sky.
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