Lenses are crucial to light-enabled technologies. Conventional lenses have been perfected to achieve near-diffraction-limited resolution and minimal chromatic aberrations. However, such lenses are ...
A review of the Vixen ED80Sf apochromatic refractor, titled "Vixen's go-anywhere scope" by William Zuback, was published in the June 2006 issue of Astronomy magazine. The Vixen ED80Sf is presented as ...
When a single spherical lens is used with a polychromatic light source, different wavelengths do not focus to the same point, creating a colour distortion (colour fringes) within an image. This effect ...
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