The camera lens is nothing but an invention that is an attempt at duplicating Human Eye. It attempts to duplicate the Human Eye as much as it could with each passing year. As Human Eye, Lens also sees an image, focuses it and transmits colors, brightness etc. Lenses are made of optical glass or plastic.
Brief History
The Pioneer of whose work the modern-day photographic lens are attributed to is Muslim Arab scientist Abu Ali Hasan Ibn-al-Haitham (Alhazen) (965-1040).
More than two centuries later, Louis Jacques Mande Daguerre (1789-1851) officially invented photography in 1839, the first camera lens was developed by his colleague Charles L. Chevalier (1804-1859).
Birth of Camera Lens
The very first camera lens was invented by Charles Chevalier (1804-1859), the maker of the first camera. This was shortly after Louis Daguerre invented photography in 1839. Chevalier’s lens was an achromatic landscape lens, a lens with two elements that reduce chromatic aberration. This lens had two apertures only, exposure time required was exceedingly long, on the order of hours or days.
Design
Design of a camera lens begins by identifying the market, the requirement, the photographer who will use it. When the certain factors are identified, the lens designer selects the optical and mechanical materials, the optical design, the appropriate method for making the mechanical parts, and, for auto focus lenses, the type of inter-face between the lens and camera
Manufacturing Process
Process required to produce a modern day lens has following methods:
1. Grinding and polishing lens elements
2. Coating lenses
3. Producing the barrel
4. Assembling the lens
Detailed description of these processes will be provided in articles later.
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