The TTartisan AF 40mm f/2 is a compact, full-frame prime lens for Sony E and Nikon Z Mount shooters. The company calls the ...

With the mirrorless range, Canon now has 50 different lenses in its portfolio. While their EF lenses have paved the way for ...

Not an aberration: schematic drawing of the metalens (left), which is made of tiny titanium waveguides. The drawing on the right is of a single waveguide. (Courtesy Boubacar Kanté) A new type of ...

Figure 2. Light input to a lens element, consisting of an array of infinitely small point light sources that will stimulate the lens focusing aberrations. Click here to see an enlarged diagram.

Camera lenses are insanely complex and extraordinarily precise devices, and one of the reasons for this is spherical aberration.

Viltrox is expanding its Air series of compact and lightweight lenses with the newly released AF 15mm F1.7 Air APS-C lens.

Real lenses cause glow and flare, diffusion, an impressive catalogue of geometric distortions, vignetting and various kinds of blur with or without chromatic aberration, and that’s if they’re clean.

Unlike a glass lens, which we can grind and polish as desired, the shape of a lens in an electron microscope is dictated by Maxwell’s equations. This prevents us from making a field with precisely the ...