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What's an achromatic lens?

An achromatic lens or Achromat is a lens that is created with the goal 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, also Called chromatic distortion and spherochromatism, is an effect 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, then each wavelength component of this light is separated and concentrates at several points onto a plane. Chromatic aberration appear as "fringes" of color combined borders that separate bright and dark parts of the image, due to each colour in the optical spectrum cannot be concentrated at a single common point.

What is a spherical aberration?

Spherical aberration is an Optical effect which happens in a lens due to the increase 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 functioning 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 different amounts of dispersion.

Achromatic lenses use 2 Different glass materials of distinct dispersion to refocus the individual wavelengths of light into a single focal point.

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

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