Depth of Field is simply the distance between the nearest and farthest objects within the shot that appear sharp.
The shorter the focal length the larger the depth of field.
The longer the focal length the smaller the depth of field.
Depth of Field is highly effected by the distance of the subject from the lens. For example, the closer the object to the lens, the shallower the depth of field. And alternatively, the further away the object, the deeper the field. Moving closer or further away to the subject is the least effective way to improve image quality as is changes the composition of the shot. By using depth of field, its easier to maintain the compositional integrity, and still be able to alter the distance between lens and object.
One major aspect of DOF is the 'thirds'. The window of focus does not occur evenly in front of, and behind, your
focal point. Approximately 1/3 of the DOF window will occur in front of
your focal point and 2/3 will occur behind your focal point. This head shot of a young jaguar is an excellent example of the 1/3 in
front, 2/3 in back rule. If you examine this photograph closely, you
will see that the point of focus is on the bridge of the nose between
the eyes. This POF, slightly forward of the eyes, kept the tip of the
cat’s nose in focus. The 2/3 behind was enough to keep the left ear in
focus while the right ear is already going soft. The background is
completely out of focus.Beth
istance in front of and behind a focus point that appears sharp in a photograph
Read more at http://www.amateurphotographer.co.uk/how-to/tech-explained/536453/depth-of-field-explained#gRrvZYyXkzopZUYD.99
Read more at http://www.amateurphotographer.co.uk/how-to/tech-explained/536453/depth-of-field-explained#gRrvZYyXkzopZUYD.99
istance in front of and behind a focus point that appears sharp in a photograph
Read more at http://www.amateurphotographer.co.uk/how-to/tech-explained/536453/depth-of-field-explained#gRrvZYyXkzopZUYD.99
Read more at http://www.amateurphotographer.co.uk/how-to/tech-explained/536453/depth-of-field-explained#gRrvZYyXkzopZUYD.99
istance in front of and behind a focus point that appears sharp in a photograph
Read more at http://www.amateurphotographer.co.uk/how-to/tech-explained/536453/depth-of-field-explained#gRrvZYyXkzopZUYD.99
Read more at http://www.amateurphotographer.co.uk/how-to/tech-explained/536453/depth-of-field-explained#gRrvZYyXkzopZUYD.99
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