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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 consequences of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to bring two wavelengths to concentrate in the same plane.

What is a chromatic aberration?

Chromatic aberration, also Called chromatic distortion and spherochromatism, is an effect caused from dispersion due to the failure of a lens to focus all colors to the same convergence point. When white light passes through glass, each wavelength component of this light is separated and focuses at different 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 cannot 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 beams when it strikes the lens. The generated image will end in imperfection. Both this phenomenon suggests that the lens is not working normally.

Achromatic double lenses

Achromatic doublet is your Most common sort of achromat lens. Normally, it is composed of 2 individual lenses made from glasses with various amounts of dispersion.

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

Achromatic lenses can 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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