These smart glasses can be used as prescription wear or just to avoid the sun and you get a slew of features for a modest ...

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 ...

Lenskart, a leading Indian eyewear brand, has introduced a new set of smart glasses called Phonic, designed to combine ...

It is well-known that eyeglasses and other vision correction tools are the key to improving eyesight for many people ...

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 ...

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 ...

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 ...

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 ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...