Depth of Field:
The aperture setting determines how much light the lens lets through. This is done by controlling the aperture blades, making them wider open to let more light pass through or closer together forming a much smaller hole obviously letting less light pass through the lens. Aperture is measured in f stops, therefore the lower the f-stop e.g: f/1.8 the wider open the lens and the higher f-stop e.g: f/22 the narrower the lens. Aperture also effects the depth of field of an image. For example, when shooting using a low aperture like f/1.8 the depth of field will be shallow, this is great for portraits when the image is centered around one point of focus. When shooting with a higher aperture e.g f/22 the whole composition will be in focus, This is great when shooting landscapes etc
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LJ - It's Hell Out here
LJ shoots portraits of the homeless in Los Angles. He uses a shallow depth of field to home in and really illustrate the emotions being felt by his subjects.
William klein: Gun 1, New York, 1955
William Klein is most well known for his street photography in New York. He likes to get close and personal with his subjects and really bring them to life. He has used a shallow depth of field in this image drawing the viewers eye to the kids face's rendering large areas of the frame out of focus.
Lawrence Badger: Untitled.
A shallow depth of field has been used in this image drawing the attention to the dogs face. I feel as though the parts of this image which are out of focus really contribute towards the effect of the final image. (helps reflect the playful movement)
A high depth of field has been used in this landscape so that the textures of the valley and mountains in the foreground all the way through to the lightning and dramatic clouds in the background are in focus.
John Kiely: The Moelwyns
In this landscape the photographer has used a high depth of field so all of the frame is in focus. the picturesque clouds, the sun lit mountain side and the reflections of the sky in the water all in focus to make up the whole image.
Rupert Vandervell: Wrong side of the road.
In this image the photographer has used a high depth of field to keep all the frame in focus. the objects and lines in the picture help to paint a picture drawing the viewers attention to the subject under the light.
Here are two examples of my work displaying use of different apertures. I shot this picture at f/1.8, as you can see using a wide aperture narrows the point of focus dramatically.
The picture below is shot at f/22. Using this high aperture means that everything from the background to the foreground is in focus even though the subjects are at a great distance from one another.
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