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What is an achromatic lens?

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

What's 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 identical convergence point. When white light passes through glass, each wavelength element of this light is separated and focuses at different 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 color in the optical spectrum cannot be focused at one 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 rays as soon as it strikes the lens. The produced image will end in imperfection. Both this happening suggests that the lens isn't working normally.

Achromatic double lenses

Achromatic doublet is your Most frequent type of achromat lens. Normally, it is composed of two individual lenses made from glasses with various amounts of dispersion.

Achromatic lenses utilize 2 Different glass materials of different dispersion to refocus the individual wavelengths of light to one focal point.

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

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