Aspheric lenses have at least one surface that is not a true sphere. The aspheric profile used is frequently a conic surface of revolution about the lens axis, matched in design to the shape of the ...

6F). Supplementary Figure 3. Supplementary Table 1. Parameters of the polynomial function describing the aspherical surface of simulated corrective lenses. Parameters of equation (1) (see Materials ...

A fluorine coating on the lens’ first surface prevents dirt sticking to the front elements ... sharp high-contrast images thanks to two Super UD lenses, one UD lens, three aspherical lenses plus ASC ...

Magneto-rheological finishing (MRF) can be used when a mirror with particularly fine surface quality is required. Designing is just the first step. Once you’ve decided exactly what you want, we are ...

Canon adds three RF lenses to its EOS R system, expanding its hybrid range even further for video and stills creators ...

The RF24mm has 15 elements across 11 groups, including two UD lenses and an aspherical lens. The RF50mm has 14 elements across 11 groups, including one UD lenses and two aspherical lenses. The ...

Artisans has announced the 10mm F2.8 II, a full-frame fisheye lens for Canon RF, Nikon Z, Sony E and L-mount camera systems, which replaces the company's existing 10mm F2.8 lens. 7Artisans suggests ...

The human body contains a vast, complex, and interconnected web of organic tunnels and passageways that weave their way ...