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Depth of field in the term used to describe the distance in front of and behind a focus point that appears sharp in the image.  This is controlled by focal length of a lens and the aperture used.   A shallow depth of field pulls the viewers attention to the part of the image the photographer has chosen to focus on.  A large depth of field makes sure that most, if not all, of an image is in focus. The following two images, taken using a Fuji X-Pro1 and Fujinon 14mm f2.8R demonstrate how the use of a wide aperture (f2.8) and a small aperture (f11) alters the depth of field. Image Shot at f2.8 - the finial is in focus but the background is thrown out of focus Image Shot at f11 - the finial is in focus and so is the background -------------------------------------------------------------------------------------------------------------- PLEASE SUPPORT THIS BLOG BY CLICKING THE GOOGLE ADVERTS It doesn't cost you anything to click on an advert but we ge...

Depth of field is a term that is used in photography that describes the amount of distance between the nearest and farthest objects that appear in acceptably sharp focus in a photograph. Depth of field is referred to a 'DoF' in some camera manuals or texts. Depth of field is controlled by the aperture setting.  A small aperture (high 'f' number - ie f22) will give a large depth of field or a wider area of sharp focus and a large aperture (low 'f' number - ie f4) will give a small depth of field or a narrower area of sharp focus. The images below, of Snowdrops in the Vale of Belvoir, were taken on a Nikon D800 with a 60mm f2.8 AF-D micro lens and mounted on a sturdy tripod.  The first image was taken at f7.1 and the focus point was the snowdrop on the left of the image.  As you can see the DoF is very shallow, with just the front Snowdrop in focus.  In fact the DoF is so shallow not all of the flower head is perfectly sharp. Aperture on the len...