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What is an achromatic lens?

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

What's 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 colors to the identical convergence point. When white light passes through glass, then each wavelength component of this light is separated and concentrates 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 each color in the optical spectrum can't be focused at a single common point.

What's a spherical aberration?

Spherical aberration is an Optical effect that occurs in a lens as a result of increase of refraction of light rays when it strikes the lens. The produced image will result in imperfection. Both this phenomenon suggests that the lens isn't working normally.

Achromatic double lenses

Achromatic doublet is the Most common sort of achromat lens. Normally, it consists of two separate lenses made from glasses with different amounts of dispersion.

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

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

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