Images that show fast shutter speeds to freeze motion
A sunny day with indicated by the relatively short shadow allowing use of fast shutter speeds to capture the dog in mid air.
Frozen in time due to the fast shutter speed. The light conditions on a snowy background allows use of the fast shutter speed without unduly darkening the photograph.
Images that show slow shutter speeds to freeze motion
A blurred background gives the photograph a sense of moving at speed whilst retaining the detail of the train. Created by panning the photograph was taken early in the morning, the red and yellow blurred lines being reflections of the sunrise against office buildings.
A similar photograph on a model train. The small depth of field provides focus only to the train’s engine whilst the carriages and background are blurred providing a sense of movement.
Images that show small depth of field using a large aperture
Only the tip of the scallop is in sharp focus whilst, although blurred, the lemon, peas and asparagus are still identifiable.
The blurred background sunlight enhances the subject of the photograph providing a lit and shadow areas to the grapes.
Images that show large depth of field using a small aperture
The photograph shows a large depth of field utilising a small aperture, possibly in the region of f/16 or smaller keeping the image sharp in both the fore and background. The chain provides a leading line to the sparkling lit bridge, providing a nice contrast to the sky.
The picture shows a large depth of field utilising an aperture of f/8. Although taken at night and the island is in silhouette the entire image is in focus.
Keir Walls 