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What's an achromatic lens?

An achromatic lens or Achromat is a lens that is created for the purpose of restricting the effects 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 a result generated from dispersion due to the failure of a lens to focus all colors to the same convergence point. When white light passes through glass, then every wavelength element of the light is separated and focuses at several points on a plane. Chromatic aberration seem as "fringes" of color combined boundaries that separate dark and bright parts of the image, due to every colour in the optical spectrum can't be concentrated at one 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 as soon as it strikes the lens. The produced image will result in imperfection. Both this happening suggests that the lens is not working normally.

Achromatic double lenses

Achromatic doublet is your Most common type of achromat lens. Normally, it is composed of 2 separate 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 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.

Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to customer's specifications. More at spherical lens uses.