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 ...

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

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Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

The company hasn’t set a specific date for when the new 3D lens will be available, but it says it will be sometime in November 2024, with an “estimated retail price” of $449.99. That’s ...

Interchangeable lens system opens up new shooting possibilities. Better battery life. Magnetic mounting system (finally). Optional USB-C pass-through charging. Excellent Log video support.

Lomography has announced an upgraded version of its Lomo’Instant Wide Camera that swaps the original’s 90mm plastic lens for one made with multi-coated glass. The company says its new Lomo ...

Aspheric mirrors cannot be produced using the same bulk production methods used for spherical mirrors, hence the higher cost. Aspheres are sometimes produced using precision molding techniques. These ...

Canon has announced four new lenses for its mirrorless cameras, three of which are touted 'hybrid', meaning that they are designed for video and still creators. They are the RF 24mm F1.4L VCM ...

The fit and feel of contact lenses are very nuanced, and it can take some trial and error to make sure they’re just right. You want lenses that offer precise vision ...

Occasionally, a hybrid lens will not work. This sometimes occurs when a person has lenticular astigmatism instead of corneal astigmatism. Most hybrid lenses are just as easy to care for as regular ...