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What is an achromatic lens?

An achromatic lens or Achromat is a lens that is created with the goal of restricting the consequences of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to attract two wavelengths to focus in precisely the same plane.

What is a chromatic aberration?

Chromatic aberration, too Called chromatic distortion and spherochromatism, is a result 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, each wavelength component of the light is separated and focuses at several points onto a plane. Chromatic aberration seem as "fringes" of color along boundaries that separate dark and bright parts of the image, due to each colour in the optical spectrum can't be focused at one common point.

What is a spherical aberration?

Spherical aberration is an Optical effect that happens in a lens as a result of gain of refraction of light beams as soon as it strikes the lens. The produced image will result in imperfection. Both this happening suggests that the lens is not working 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 utilize two 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 focus laser beams. These lenses are commonly used in high quality digital imaging, surface inspection, and spectroscopy applications.

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