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What is an achromatic lens?

An achromatic lens or Achromat is a lens that is produced for the purpose of restricting the effects of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to attract two wavelengths to focus in precisely the same plane.

What is a chromatic aberration?

Chromatic aberration, too Called chromatic distortion and spherochromatism, is an effect generated 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, then every wavelength element of the light is separated and focuses at several points on a plane. Chromatic aberration seem as "fringes" of color combined boundaries that separate dark and bright parts of the image, due to every colour in the optical spectrum can't be focused at a single common point.

What is a spherical aberration?

Spherical aberration is an Optical effect that occurs in a lens due to the gain of refraction of light beams as soon as it strikes the lens. The generated image will result in imperfection. Both this phenomenon signifies that the lens isn't functioning normally.

Achromatic double lenses

Achromatic doublet is your Most common type of achromat lens. Normally, it consists of 2 individual lenses made from glasses with various amounts of dispersion.

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

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

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