The Phonic smart glasses by Lenskart are priced at Rs. 4,000 in India. Customers can customise them with bifocal or ...

Solve related numerical problems. Day 16: Light - Lenses Study convex and concave lenses. Practice ray diagrams and lens formula applications. Solve numerical problems on focal length and ...

Answer: The two types of lenses are concave lenses and convex lenses. Is the convex lens’s focal length taken as negative or positive? Answer: The convex lens’s focal length is taken as ...

The most commonly used and the earliest example of an achromatic lens is the achromatic doublet. An achromatic doublet is made from a pair of glasses, of which one is typically a concave and another ...

Abstract: The full-wave response of lenses with symmetry of revolution and arbitrary feeder, including mutual coupling, is efficiently obtained. For this purpose, a domain decomposition is carried out ...

Lenskart Phonic smart glasses come equipped with Bluetooth audio which plays through the in-built speakers placed at the temples. It also allows users to take calls, leveraging connectivity with a ...

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 ...

Want to preserve the planetary parade or capture the Lynx constellation? The best lenses for astrophotography can help you take beautiful, breathtaking images of the night sky. If you're stepping ...

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 ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...