Seeing the unseen

Slow-motion photography

What makes a camera slo-mo? According to the Society of Motion Picture and Television Engineers (SMPTE), high-speed photography is defined as a camera capable of 128 frames per second or greater.  For the Phantom, that is child’s play, with capability of capturing 1500 frames per second in high-definition. So what difference does it make?

The real benefit to these cameras is their incredible ability to capture so many frames of one single action. It does not just slow things down, it increases clarity of movements which happen too fast for our eyes to see or our brains to comprehend. It is the Phantom HD and the other new camera technologies that allow us to see just how incredible humans are and the fantastic, unseen ways we interact with the world.

Visual News

Frame Rate:

The human eye and its brain interface, the human visual system, can process 10 to 12 separate images per second, perceiving them individually.The threshold of human visual perception varies depending on what is being measured. When looking at a lighted display, people begin to notice a brief interruption of darkness if it is about 16 milliseconds or longer.  When given very short single-millisecond visual stimulus people report a duration of between 100 ms and 400 ms due to persistence of vision in the visual cortex. This may cause images perceived in this duration to appear as one stimulus, such as a 10 ms green flash of light immediately followed by a 10 ms red flash of light perceived as a single yellow flash of light.Persistence of vision may also create an illusion of continuity, allowing a sequence of still images to give the impression of motion. Early silent films had a frame rate from 14 to 24 FPS which was enough for the sense of motion, but it was perceived as jerky motion…

When sound film was introduced in 1926, variations in film speed were no longer tolerated as the human ear is more sensitive to changes in audio frequency. From 1927 to 1930, the rate of 24 FPS became standard for 35 mm sound film…   Many modern 35 mm film projectors… give 72 images per second.


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2 Responses to Seeing the unseen

  1. Curmudgeon Bludgeon says:

    lol @ the kid who decides that olives are pretty damn awesome after all . . . and she is too.

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