Top end digital SLR’s allow you to control both the aperture and the shutter settings, digital SLR’s let you simulate film speeds by setting the ISO rating. A cameras aperture is the hole behind the shutter that allows the light into the camera. This light then reacts with cells at the back of the camera to form a visual image. The size of the aperture is determined by using the F Stop settings. Most cameras allow you to set the aperture. The F stop 22 is the smallest and F3.5 is the largest. Controlling the aperture width determines a property known as depth of field. A pictures depth of field refers to the depth of focus offered in a photograph. Some photographs like to limit the depth of field rendering only the subject of the picture in focus. Large apertures enable limited depth of field. Some photographs have large depth fields which keeps large areas in focus. Small aperture openings enable lots of depth of field.
This was a picture that didnt work too well, there was no blur in the background and the focus wasnt on the clock.
This was my first attempt at taking the picture, as you can see it is all blurred and it doesnt have focus on anything.
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