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What is an achromatic lens?

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

What is 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 identical convergence point. When white light passes through glass, then every wavelength component of this light is separated and concentrates at different points onto a plane. Chromatic aberration appear as "fringes" of color along borders that separate dark and bright parts of the image, due to each colour 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 due to the gain of refraction of light rays when it strikes the lens. The generated image will end 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. Generally, it consists of 2 separate lenses made from glasses with different amounts of dispersion.

Achromatic lenses use two Different glass materials of distinct 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 commonly utilized in high quality digital imaging, surface inspection, and spectroscopy applications.

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