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What's an achromatic lens?

An achromatic lens or Achromat is a lens that's 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 the exact same plane.

What's a chromatic aberration?

Chromatic aberration, too Called chromatic distortion and spherochromatism, is an effect caused from dispersion as a result of failure of a lens to focus all colours to the same convergence point. When white light passes through glass, each wavelength element of this light is separated and concentrates at several points onto a plane. Chromatic aberration appear as "fringes" of color combined boundaries 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 is a spherical aberration?

Spherical aberration is an Optical effect that happens in a lens as a result of increase of refraction of light beams as soon as it strikes the lens. The produced image will end in imperfection. Both this happening suggests that the lens is not 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 substances of distinct dispersion to refocus the individual wavelengths of light to one focal point.

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

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