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What is an achromatic lens?

An achromatic lens or Achromat is a lens that's produced with the goal of restricting the consequences of lens(chromatic and spherical) aberration. Achromatic lenses have been adjusted to attract two wavelengths to focus in precisely the exact same plane.

What's a chromatic aberration?

Chromatic aberration, too 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, then each wavelength component of the light is separated and concentrates at several points on a plane. Chromatic aberration appear as "fringes" of color combined boundaries that separate dark and bright parts of the image, due to each color in the optical spectrum cannot be concentrated at one common point.

What's a spherical aberration?

Spherical aberration is an Optical effect which occurs in a lens due to the gain of refraction of light rays as soon as it strikes the lens. The generated image will result in imperfection. Both this happening signifies that the lens isn't functioning normally.

Achromatic double lenses

Achromatic doublet is your Most common sort of achromat lens. Generally, it consists of 2 separate lenses made from glasses with various amounts of dispersion.

Achromatic lenses use 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 focus laser beams. These lenses are widely used 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. For further infos take a look at achromatic doublet.