Understanding Memory Types

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The two critical components in all digital high speed cameras are sensors, which have to get rid of an image very quickly in order to capture the next, and memory, which has to accept data at a phenomenal rate. Several different memory types are used. RAM in the camera. The majority of high speed cameras…

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Understanding Resolution

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Image resolution is measured in pixels – or picture elements; the dots that together make up the image. This article focuses on video resolution, although many aspects of course apply to still images too. When digital displays first became commonly used, they tended to be VGA resolution (640×480 pixels). Over the last few years the…

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Producing 3D Movies

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Producing a 3D movie is not as complicated as you might think. There are a few different formats of 3D file that are played on various devices. Here, I’ll explain how to produce a side-by-side movie, which seems to be the most common for playing on a 3D TV. A side by side movie made…

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Sync’ing two (or more) cameras to each other

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There are many reasons why you’d want to synchronise two or more cameras together including. To analyse a test from different viewpoints, with an accurate timebase. To create 3D movies Multiple cameras share a pulsed light source (LED or laser) In either case, the camera configuration is the same. The cameras need to have ‘sync…

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Auto exposure on a high speed camera – why?

View Auto exposure on a high speed camera – why?

When a set up takes a while to set up and you’re only filming for a fraction of a second, why would you want to use auto-exposure? Well, even in a fraction of a second, the lighting requirements might change quite dramatically. Consider filming an airbag deploying (why are dashboards always black and airbags always…

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