09 Nov 09: Shutter speeds and water

A slow shutter speed can be used to create an attractive milky effect with running water.  These are some images I took in the park, having swapped the macro lens for a standard 28mm lens:

f/20 1/15 sec

You can see below that as the shutter speed slows the water becomes more translucent and milky

f22 1/4 sec

The images below were taken with a shutter speed of 1/2 second:

An even more pronounced effect can be achived with an even slower speed as shown in this image taken from www.hp.com/united-states/consumer/digital_photography/take_better_photos/tips/water.html which has tips on photographing water: