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What's an achromatic lens?

An achromatic lens or Achromat is a lens that is produced with the goal of limiting the effects of lens(chromatic and spherical) aberration. Achromatic lenses have been adjusted to attract two wavelengths to concentrate in precisely the same plane.

What's a chromatic aberration?

Chromatic aberration, too Called chromatic distortion and spherochromatism, is a result generated from dispersion due to the failure of a lens to focus all colours to the same convergence point. When white light passes through glass, then every wavelength element of this light is separated and concentrates at several points on a plane. Chromatic aberration seem as "fringes" of color along boundaries that separate dark and bright parts of the image, due to every colour 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 due to the increase of refraction of light beams as soon as it strikes the lens. The generated image will end in imperfection. Both this happening suggests that the lens is not working normally.

Achromatic double lenses

Achromatic doublet is your Most frequent type of achromat lens. Normally, it consists of 2 individual lenses made from glasses with various amounts of dispersion.

Achromatic lenses utilize 2 Different glass materials of different dispersion to refocus the individual wavelengths of light into one focal point.

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

Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to client's specifications. See more at: use of cylindrical lens.