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A sensor is the digital camera's equivalent to film. It contains millions of tiny light-detecting areas called photosites, which convert light into an electric charge. After exposing the sensor to light, this charge is read from each pixel and converted into a digital image.

6 votes

How can I photograph welding?

We do video and photography of weld spot with electron beam welders and lasers. We use very bright background lights to reduce the contrast between the super bright spot and the metal around it which …
Dan Nilsen's user avatar