WIDE ANGLE LENSES 

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We can see what dramatic photographs can be achieved, when using a 20mm lens on a rather diminutive colorful flower.  You will have to get down on the ground and close enough to nearly touch the flowers with your lens!

In these examples, we can really see the visual effect on close-up subjects when photographed with a wide angle lens. The person viewing these types of photographs really feels "involved" in the story. They feel  close to the action.

Now using a wide angle lenses in its self is not enough. You have to get physically close to your subject matter for the effects to work. It comes as no surprise, that wild life photographers use long lenses. It's hard to walk up to a wild animal without it running away, or worse still deciding you look good enough to eat!

Wide angle lenses not only greatly exaggerate the size of objects that are close to the lens and diminish the size of middle and background objects, but also manage to extract the maximum depth of field available through Hyperfocal focusing. There are situations where we need to extract the maximum amount of depth of focus to accomplish a specific visual goal. Hyperfocal focusing is a technique that allows us to achieve this aim via some creative visual cheating. This is done by focusing on the hyperfocal distance and not, as we usually do, on our subject matter! Although this can be calculated the basic rule of thumb is to focus somewhere between your main background subject and your main foreground subject.