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July 09 2011

19:11

I stand corrected…

…by buddy Larry Nance. He looked at my last posting and then pointed out that perhaps I could be wrong. There’s a new technology that will forever change how photographers/videographers look at the relationship of the Exposure Triangle – the relationship between camera sensitivity to light, shutter speed, and aperture.

I’d read about it a while back, but Larry graciously provided this link.

Vastly over simplified, the incoming light is recorded as more than just a single image…all points that are in focus are recorded so you can decide AFTER the fact what you want in focus.

Is this good or bad? How does this affect the ethics of visual journalism? Personally I don’t think it means you are altering the image any more than before…it seems to allow the visual journalist a new tool to present images to the audience, letting them focus on the part of the image they feel communicates the idea best.

Of course…there is opportunity for abuse also. I shudder to think.


00:32

Shutter speed, aperture, depth of field

One of the many skills lurking within the brain of a videojournalist. Seeing depth of field. Something a good PJ/VJ knows intuitively. If ya use a high shutter speed and a wide-open (low) aperture, you get great depth of field (meaning shallow). Go the other way and get everything in focus…

Oh…and see what happens when you shoot a water fountain at different shutter speeds. Interesting…but if you want to slo-mo video, use the higher shutter speed.


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