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The company now designs and manufactures 35 mm lenses for the film industry. In a reversion to its previous markets, it has also made limited quantities of the PS945, a redesigned Pinkham and Smith portrait lens, [ 1 ] and the Series XVa, a redesigned triple-convertible lens for 10×8 inch format.
Automated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) (or LCD, transistor) manufacture where a camera autonomously scans the device under test for both catastrophic failure (e.g. missing component) and quality defects (e.g. fillet size or shape or component skew). It is commonly used in the ...
A lens system that transmits the image from the objective lens to the observer, usually a relay lens system in the case of a rigid endoscope or a bundle of optical fibers in the case of a fiberoptic endoscope. An eyepiece which transmits the image to the screen in order to capture it. However, modern videoscopes require no eyepiece.
In 2011, early investor IDG Ventures India directed the company to also sell wristwatches, bags and jewellery online to replicate Titan Company's business. [ 7 ] [ 8 ] In 2011, the company launched Watchkart.com and Bagskart.com, and the following year, it started Jewelskart.com. [ 9 ] By the end of 2014, only Lenskart.com remained operative as ...
This is for companies who exclusively or predominantly create optical lenses for still and film photography. Subcategories This category has the following 10 subcategories, out of 10 total.
It spans a wide range of manufacturing procedures and optical test configurations. The manufacture of a conventional spherical lens typically begins with the generation of the optic's rough shape by grinding a glass blank. [1] This can be done, for example, with ring tools. Next, the lens surface is polished to its final form.
A photograph through a ball lens. A ball lens is an optical lens in the shape of a sphere. Formally, it is a bi-convex spherical lens with the same radius of curvature on both sides, and diameter equal to twice the radius of curvature. The same optical laws may be applied to analyze its imaging characteristics as for other lenses.
In 3D PALM/STORM, a type of optical super-resolution microscopy, a cylindrical lens can be introduced into the imaging system to create astigmatism, which allows measurement of the Z position of a diffraction-limited light source. [24] Laser line levels use a cylindrical lens to spread a laser beam from a point into a line.
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