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In November 2013, Ring was founded as Doorbot by Jamie Siminoff. Doorbot was crowdfunded via Christie Street, and raised US$ 364,000, more than the $250,000 requested. [1] [4] [5] Siminoff's team envisioned the product's concept as an "alarm system literally turned inside out" in comparison to other security systems, describing it as a "pre-crime" system. [6]
The focus itself may be adjusted in a variety of ways. Larger view cameras and the like slide the lens closer or further from the film plane on rails; on smaller cameras, a focus ring on the lens is often rotated to move the lens elements by means of a helical screw. Other systems include levers on the lens or on the camera body.
The ring flash (usually LED [citation needed]) is mounted on the objective lens of an optical microscope. The main use of this tool is the photographing of microscopic organisms [citation needed]. A ring flash works on a microscope in much the same way as it does on a camera; it reduces reflections while bathing the subject in light.
During a NAVAIR weapons release test over Chesapeake Bay, a McDonnell-Douglas F/A-18A-3-MC Hornet, BuNo 160782, c/n 8, out of NAS Patuxent River, Maryland, dropped a vertical ejector bomb rack with an inert Mk. 82 bomb from the port wing, which sheared off the outer starboard wing of Douglas TA-4J Skyhawk camera chase aircraft, BuNo 156896, c/n ...
The Best Exotic Marigold Hotel is a 2011 British comedy-drama film directed by John Madden.The screenplay, written by Ol Parker, is based on the 2004 novel These Foolish Things by novelist Deborah Moggach, and features an ensemble cast consisting of Dev Patel, Judi Dench, Celia Imrie, Bill Nighy, Ronald Pickup, Maggie Smith, Tom Wilkinson, and Penelope Wilton, as a group of British pensioners ...
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A dive light is a light source carried by an underwater diver to illuminate the underwater environment. Scuba divers generally carry self-contained lights, but surface supplied divers may carry lights powered by cable supply .
The Volkswagen Golf Mk1 is the first generation of a small family car manufactured and marketed by Volkswagen.It was noteworthy for signalling Volkswagen's shift of its major car lines from rear-wheel drive and rear-mounted air-cooled engines to front-wheel drive with front-mounted, water-cooled engines that were often transversely-mounted.