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

What's a chromatic aberration?

Chromatic aberration, also Called chromatic distortion and spherochromatism, is a result 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, every wavelength component of this light is separated and focuses at different points on a plane. Chromatic aberration seem as "fringes" of color combined boundaries that separate bright and dark parts of the image, due to each colour in the optical spectrum can't be concentrated at a single common point.

What is a spherical aberration?

Spherical aberration is an Optical effect that occurs in a lens as a result of increase of refraction of light rays as soon as it strikes the lens. The generated image will result in imperfection. Both this phenomenon 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 two individual lenses made from glasses with different amounts of dispersion.

Achromatic lenses utilize two Different glass materials of distinct dispersion to refocus the individual wavelengths of light into a single focal point.

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

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