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What is an achromatic lens?

An achromatic lens or Achromat is a lens that's created with the goal of restricting the effects of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to bring two wavelengths to focus in the exact same plane.

What is a chromatic aberration?

Chromatic aberration, also Called chromatic distortion and spherochromatism, is an effect generated from dispersion as a result of failure of a lens to focus all colors to the same convergence point. When white light passes through glass, then each wavelength component of the light is separated and focuses at several points on a plane. Chromatic aberration seem as "fringes" of color combined borders that separate bright and dark 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 that happens in a lens due to the gain of refraction of light beams when it strikes the lens. The generated image will end in imperfection. Both this happening suggests that the lens is not functioning normally.

Achromatic double lenses

Achromatic doublet is your Most frequent type of achromat lens. Generally, it consists of two separate lenses made from glasses with various amounts of dispersion.

Achromatic lenses utilize two Different glass substances of distinct dispersion to refocus the individual wavelengths of light into one focal point.

Achromatic lenses can 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.

Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to customer's specifications. For instance double aspheric lenses.