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What's an achromatic lens?

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

What is a chromatic aberration?

Chromatic aberration, too Called chromatic distortion and spherochromatism, is a result generated from dispersion due to the failure of a lens to focus all colours to the identical convergence point. When white light passes through glass, each wavelength component of the light is separated and focuses at several points on a plane. Chromatic aberration appear as "fringes" of color along borders that separate dark and bright parts of the image, due to every color in the optical spectrum cannot be focused at a single common point.

What's a spherical aberration?

Spherical aberration is an Optical effect which happens in a lens due to the increase of refraction of light rays as soon as it strikes the lens. The generated image will end in imperfection. Both this happening signifies that the lens is not 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 different dispersion to refocus the individual wavelengths of light into one focal point.

Achromatic lenses may be Used to adjust 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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