Monday 27 February 2012

Higher and lower sensitivity






I took these photos on a dull day inside a scrap yard. As I was using a shutter speed of 1/125 the first photograph using an ISO of 100 is far too dark. The next photographs were taken using the same shutter speed and ISO's of 200, 400 and 800. When I examined these photographs closely it is obvious that the images become more grainy the higher the ISO.
This exercise has consolidated my knowledge regarding ISO and I can see that in poor lighting conditions it is very useful to be able to use a higher ISO.

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