Camera/Lens Technique

In this image the first rose is in Focus but the rose behind is blurred. This is because the focus is on the main rose and everything else is out of focus.
Drop Focus Technique

Shallow Depth of Field
This is the same image but this time i have zoomed right out as far as i can go. This is a shallow depth of field.

Wide and Telephoto Lenses

Here i have two images of the same object. This image is shot with the lens at 55mm and looks quite close. It is a statue.

This is the image shot with the lens at 30mm, it shows the image in full and the rest of what was in the shot