apochromat
Sign in to savethumb|270px|right|Chromatic aberration of a single lens causes different wavelengths of light to have differing focal lengths. An apochromat, or apochromatic lens (apo), is a photographic or other lens that has better correction of chromatic and spherical aberration than the much more common achromat lenses.
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- time of discovery or invention
- 1886-00-00
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- Explanation
- Use in photography
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thumb|270px|right|Chromatic aberration of a single lens causes different wavelengths of light to have differing focal lengths. An apochromat, or apochromatic lens (apo), is a photographic or other lens that has better correction of chromatic and spherical aberration than the much more common achromat lenses.
The prefix apo- comes from the Greek preposition ἀπό-, meaning free from or away from.
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Connections
mirror
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telescope
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ultraviolet radiation
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infrared radiation
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wavelength
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lens
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astronomer
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micrometre
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visible spectrum
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refractive index
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optical dispersion
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fluorite
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focus
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camera lens
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chromatic aberration
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spherical aberration
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zoom lens
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f-number
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achromatic lens
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graphic arts
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