Magnifying Lens

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Magnifying glass

Magnifying Glass with Light

Some typical examples of aberrations are tilt, defocus, coma, astigmatism, spherical aberration, and chromatic aberration.

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In terms of geometrical optics, the goal of imaging can be stated very simply: light emanating in all directions from some point on the object should be collected by the lens and focused to its ideal image point. Thus, a ray of light coming from the object point should pass through the lens and arrive at the image point, regardless of its angle.

An “aberration of design” does not mean mistakes or problems caused by the designer of the lens. Aberrations are fundamental to the nature of imaging and it is the goal of the lens designer to “design out” as many of these aberrations as possible. The aberrations of design are those aberrations, inserted into the imaging system by the nature of light, that the designer was not able to extract through clever design.

Magnifier.com Welcome to the Magnifier & Magnifying Glass Superstore! Shop one of the most extensive selections of magnifiers, loupes, low vision aids, and magnifying glasses. Magnifiers are specialized vision enhancement tools that use lenses and magnification to help the eye see more clearly. Our wide range of hundreds of magnifier and magnifying glass variations includes dome magnifiers, headband magnifiers, reading magnifiers, low vision aids, glass lens magnifiers, linen testers, loupes, and technical measuring magnifiers. Acquiring the best and most effective magnifier for your specific need or task can be challenging, as specialized requirements & magnification often necessitate a particular type of magnifier. Whether you need augmented magnification for a visual task, detailed inspection, vision enhancement, or general reading, our online store offers a variety of magnifiers that will enhance your vision.

An aberration is any deviation from the ideal, “diffraction-limited” imaging performance of a lens. In practice, aberrations come from three sources—aberrations of design, aberrations of construction, and aberrations of use.