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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 consequences of lens(chromatic and spherical) aberration. Achromatic lenses have been adjusted to attract two wavelengths to focus in the exact same plane.

What is a chromatic aberration?

Chromatic aberration, too Called chromatic distortion and spherochromatism, is an effect caused from dispersion due to the failure of a lens to focus all colors to the identical convergence point. When white light passes through glass, then every wavelength element of this light is separated and concentrates at several points onto a plane. Chromatic aberration appear as "fringes" of color along boundaries that separate bright and dark parts of the image, due to every color in the optical spectrum can't be focused at a single common point.

What's a spherical aberration?

Spherical aberration is an Optical effect that happens 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 is not working normally.

Achromatic double lenses

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

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

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

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