However one nice side effect that can also be achieved with these lenses is to make very wide shots appear very close by dramtically blurring near and far parts of the image, as with narrow depth of field achieved with a macro lens. The effect is also often 'faked' with photoshop. This makes our wide scene seem miniaturised. Keep an eye out for it on documentaries and photos.
Original picture made by Flickr user frosted_peppercorn
More pictures at www.tiltshiftphotography.net