Helpful Tips On Selecting An Optical Design

What's an achromatic lens?

An achromatic lens or Achromat is a lens that's created for the purpose of limiting the consequences of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to attract two wavelengths to focus in precisely the exact same plane.

What is a chromatic aberration?

Chromatic aberration, too Called chromatic distortion and spherochromatism, is an effect generated from dispersion as a result of failure of a lens to focus all colours to the identical convergence point. When white light passes through glass, each wavelength element of the light is separated and focuses at several points on a plane. Chromatic aberration appear as "fringes" of color combined boundaries that separate bright and dark parts of the image, due to each color in the optical spectrum can't be focused at one common point.

What is 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 result in imperfection. Both this happening suggests that the lens isn't working normally.

Achromatic double lenses

Achromatic doublet is the Most common type of achromat lens. Normally, it consists of 2 separate lenses made from glasses with different 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 focus 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. For more take a look at image formation by spherical lenses.