For my 3 small black and white photos I had to use three different depths of field, where one was completely in focus (person and background), the next the foreground was in focus but the background was somewhat blurry, not quite clear enough to see detail or what it was but that there was a visible enough background (person in focus, background a bit blurry) and lastly this photo the person was in focus but the background was completely blurred.
For the 1st photo I took, where everything was in focus, I set the F-stop to f/22 (thought the man is slightly out as he moved). Notice the background is in focus and clearly visible as to what it is.
The second photo I took, where the background isn't so clear, I set it to f/11.
The last photo I took I set it to f/5.6, which is supposed to completely blur out the background and only keeps the person in focus.
Here is some literature from Cambridge in Colour, the link is below;
http://www.cambridgeincolour.com/tutorials/depth-of-field.htm
Here is another link for some advice and a read up on depth of field from Digital Camera World;
http://www.digitalcameraworld.com/2013/07/17/what-is-depth-of-field-how-aperture-focal-length-and-focus-control-whats-sharp/
For the 1st photo I took, where everything was in focus, I set the F-stop to f/22 (thought the man is slightly out as he moved). Notice the background is in focus and clearly visible as to what it is.
http://www.cambridgeincolour.com/tutorials/depth-of-field.htm
Here is another link for some advice and a read up on depth of field from Digital Camera World;
http://www.digitalcameraworld.com/2013/07/17/what-is-depth-of-field-how-aperture-focal-length-and-focus-control-whats-sharp/
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