2012年12月4日星期二

A Machine That Makes Cameras: The Aesthetics of the Lytro



Let's think about photography as people live it. A posed family picture might be taken once, then again, and again until the right combination of open eyes, smiles, and light and shadow produce an acceptable portrait. An action, performance, or sports shot that could speed by too fast for human judgement partakes of a surrogate: the high-speed motor drive capable of taking many shots per second, from which the photographer later chooses the most retrospectively opportune option.Besides, it cal be transferred to another working area anytime as needed, thus,Symons cone crusher the drawbacks compared with fixed crushing plant on dismounting, transporting and installation. You don't have to be a professional to recognize a "missed shot" taken near to but not right at the opportune moment. Photography freezes moments in time, so capturing the right moment in the right way is important.
Getting an exposure precisely right is part of the craft of photography, but also part of its frustration.The first thing to say is that if you are truly passionate about cooking you need to buy high quality knives wholesaler. This means avoiding the cheaper, generic, versions that you will find in the supermarkets or the local haberdashery store. Someone's eyes always seem closed, or the lighting changes, or an accidental jitter of the photographer's hand shifts the framing or focus inadvertently. Corrections can sometimes be made after the fact in the (digital) darkroom, but even an amateur photographer knows that some exposures are always doomed -- a blurry image can never be recovered with chemical or software exposure correction. Lytro, a Silicon Valley startup co-founded by a Stanford computer science PhD named Ren Ng, has been working for the last six years to prove otherwise -- and to change the very idea of what a photograph is in the process.
Photography didn't used to be so easy. Before the 1920s, most high-quality photographs were taken with view cameras: large, bulky devices with bellows necessitating tripods, lights, and long exposures to expose large film plates. These were the tools of Brassa? and Walker Evans and Ansel Adams, devices that offered superb resolution and detail thanks to their larger film plates, which were typically reproduced with low- or no magnification during printmaking.Like every important artistic material, the view camera remains a viable and appealing medium for photographers. But using one in the late 20th century (as did Stephen Shore and Sally Mann, to name but two famous examples) requires making a deliberate aesthetic choice. By contrast, in the early 1900s, "still camera" just meant "view camera." It's the type of shift everyone should be familiar with today. Just think of the different connotations of "computer" in 1962, 1982, and 2012.Still,An amazing fact about the common Tongs suppliers is the multiple purposes it can be used for. Knives are used for cutting, chopping, paring, slicing and even sometimes peeling. In fact there is also another cutting tool that is called the utility knife. entirely new photographic apparatuses are relatively rare.These contaminants require preparation of the professional Bridge scraper reclaimer manufacturers products, e.g. in preparation for smelting, as a substitute for household coal and power plants or as basic material for processing in various industry sectors. The transition away from the view camera era began between the two world wars,Mobile crusher when manufacturers devised apparatuses that adapted cinema film for use in still photography. These were the first 35mm cameras, the most famous and influential of which was the Leica.

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