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What's an achromatic lens?

An achromatic lens or Achromat is a lens that is created for the purpose of limiting the effects of lens(chromatic and spherical) aberration. Achromatic lenses have been adjusted to attract two wavelengths to concentrate in precisely the same plane.

What is a chromatic aberration?

Chromatic aberration, also Called chromatic distortion and spherochromatism, is an effect caused from dispersion as a result of failure of a lens to focus all colors to the same convergence point. When white light passes through glass, each wavelength component of this light is separated and focuses at several points on a plane. Chromatic aberration appear as "fringes" of color along borders that separate dark and bright parts of the image, due to each color in the optical spectrum cannot be focused at a single common point.

What's a spherical aberration?

Spherical aberration is an Optical effect which occurs in a lens due to the gain of refraction of light rays as soon as it strikes the lens. The produced image will end in imperfection. Both this phenomenon signifies that the lens isn't working normally.

Achromatic double lenses

Achromatic doublet is the Most frequent type of achromat lens. Normally, it is composed of 2 separate lenses made from glasses with different amounts of dispersion.

Achromatic lenses utilize two Different glass materials of distinct dispersion to refocus the individual wavelengths of light into a single focal point.

Achromatic lenses can be Used to correct the line of sight and focus laser beams. These lenses are commonly utilized in high quality digital imaging, surface inspection, and spectroscopy applications.

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