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Lenskart was valued at over $1 billion in December 2019 after SoftBank Vision Fund invested $275 million. [ 21 ] [ 22 ] In May 2021, KKR invested $95 million, [ 23 ] and in July 2021, Temasek and Falcon Edge Capital (Alpha Wave Global) led a $220 million investment round at a valuation of $2.5 billion. [ 24 ]
Download as PDF; Printable version; In other projects Wikimedia Commons ... This is for companies who exclusively or predominantly create optical lenses for still and ...
Prime lenses are generally faster (smaller f-number) than comparably priced zoom lenses, so the change to zoom lenses means that recent kit lenses are usually also slower (higher f-number). However, in most cases the inclusion of an inexpensive zoom lens is to maintain a low entry price and maximize usability for the beginner photographer.
He was born into the Hindu Bansal family of Bal Kishan and Kiran Bansal. [5] He went to the United States for a job at Microsoft but later quit to start his own business. Then he started a new venture, selling eyewear online in the USA.
South Africa is the southernmost country in Africa. It is the 25th-largest country in the world by land area, and with close to 60 million people, is the world's 24th-most populous nation. The World Bank classifies South Africa as an upper-middle-income economy, and a newly industrialised country. [1] [2] Its economy is the largest in Africa ...
This list covers optical lens designs grouped by tasks or overall type. The field of optical lens designing has many variables including the function the lens or group of lenses have to perform, the limits of optical glass because of the index of refraction and dispersion properties, and design constraints including realistic lens element center and edge thicknesses, minimum and maximum air ...
Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. Parameters include surface profile types (spherical, aspheric, holographic, diffractive, etc.), as well as radius of curvature, distance to the next surface, material type and optionally tilt and decenter.
This is a list of autofocus prime lenses designed for mirrorless cameras that measure less than 30 millimeters in length — limit one per brand and focal length combination. In 2024, Viltrox released the thinnest autofocus pancake lens ever produced for full-frame sensors: a 28mm F4.5 lens that is only 15mm thick.