APOCHROMATIC Meaning and
Definition
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Apochromatic is an adjective used primarily in the field of optics to describe a lens or an optical system that is designed to correct chromatic aberration. Chromatic aberration is an optical defect that causes different colors of light to focus at different points, resulting in blurred or distorted images.
An apochromatic lens or optical system is specifically designed to minimize or eliminate chromatic aberration, ensuring accurate focus and color representation. Unlike simpler lenses, which may only correct for two colors (usually red and blue), an apochromatic lens corrects for three primary colors (typically red, green, and blue). As a result, it provides excellent color accuracy and delivers sharp, high-resolution images with minimal distortion or color fringing.
The term "apochromatic" is derived from the Greek words "apo," meaning "away," and "chroma," meaning "color." Therefore, apochromatic lens systems are designed to minimize the dispersion of different colors, ensuring that light of different wavelengths is brought to a common focus.
Apochromatic lenses are commonly used in various fields, including photography, microscopy, and astronomy, where precise focus, color fidelity, and image quality are of great importance. They are particularly valuable in situations where accurate color rendition and sharpness are critical, such as in scientific research, medical imaging, and professional photography.
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Achromatic, noting an improved lens, doing away with the so-called secondary spectrum of the ordinary achromatic lens, and correcting the spherical aberration for two colors instead of for one only.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for APOCHROMATIC
- zpochromatic
- spochromatic
- wpochromatic
- qpochromatic
- aoochromatic
- alochromatic
- a-ochromatic
- a0ochromatic
- apichromatic
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- apoxhromatic
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- apofhromatic
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- apocgromatic
Etymology of APOCHROMATIC
The word "apochromatic" is derived from the Greek roots "apo" meaning "away", "chroma" meaning "color", and "iκός" being a suffix used to form adjectives.
In optics, an apochromatic lens is a type of lens that is designed to minimize chromatic aberration, which is the inability of an optical system to focus all wavelengths of light to the same point. By incorporating certain types of glass elements with different dispersion properties, an apochromatic lens achieves enhanced color correction compared to other lens types. Thus, the term "apochromatic" describes its ability to remove "away from color" or correct for color aberrations.
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