A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine the proper exposure for a photograph. Typically a light meter will include a computer, either digital or analogue, which allows the photographer to determine which shutter speed and f-number should be selected for an optimum exposure, given a certain lighting situation and film speed. Light meters are also used in the fields of cinematography and scenic design, in order to...
A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine the proper exposure for a photograph. Typically a light meter will include a computer, either digital or analogue, which allows the photographer to determine which shutter speed and f-number should be selected for an optimum exposure, given a certain lighting situation and film speed. Light meters are also used in the fields of cinematography and scenic design, in order to determine the optimum light level for a scene. They are used in the general field of lighting, where they can help to reduce the amount of waste light used in the home, light pollution outdoors, and plant growing to ensure proper light levels.
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Написание качественного кода на C++ не должно быть трудной задачей. Если разработчик будет следовать рекомендациям, приведенным в C++ Core Guidelines, то он будет писать исключительно надежные, эффективные и прекрасно работающие программы на C++. Но руководство настолько переполнено советами, что порой трудно понять, с чего начать. Начните с «Красивого C++»! Опытные программисты Гай Дэвидсон и Кейт Грегори...
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