Saturday, 9 April 2011

Photographing Movement-Shutter Speeds

On this set of photographs I set my camera on shutter priority, changing the shutter speed and allowed the camera to select the appropriate aperture. I needed to show movement and wanted to use the local park and its waterfall over the rock, but the pipes were frozen and I returned home with an empty camera.
My second choice was a running tap. I set the tap to run at a fairly fast speed into an empty glass and took a selection of pictures changing the shutter speeds.
For the fast shutter speeds of 1.80 or less the camera selected an aperture of f5.6. At 1.25 the frame was frozen and the bubbles are very clear to see. As the speed decreases so does the clarity until the shutter speed hits 6.00 and above, the water shows as a foggy kind of mist with a speed of 30.00 giving a ghostly glow to the water. The three pictures to the right of my selection show the slowest shutter speeds to its optimum with apertures of f32 and smaller. 

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