OCA TaoP

OCA degree in photography module 1

Focus at different apertures

This exercise builds on the depth of field exploration I carried out in the previous exercise. The process was very similar except instead of having a fixed aperture and changing focal point, I shot three images with a fixed focal point and varied the aperture for each shot. The result can be seen below. f/22      1/80 sec     70mm     ISO1000

f/8      1/640 sec     70mm     ISO1000

f/2.8      1/4000 sec     70mm     ISO1000

In the first photograph all of the bench is in focus due to the large depth of field achieved at f/22. In the second photograph we can see the ends of the bench start to blur both in the foreground and the background. In the last photograph, shot wide open at f/2 .8, we can see increased blurring in the foreground and background and the building at the back of the photograph is almost unrecognisable.