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There are more than one million known species of insects inhabiting our world, and many of these tiny creatures are right outside your door. Incidentally, an insect is an arthropod. To be classified as an insect, it must have a segmented body, six legs, two antennae, compound eyes, and in some cases wings. Other creatures, like spiders and scorpions, are also arthropods but are not considered insects. Photographing insects and other small creatures can be a lot of fun. You need venture only as far as your backyard to find a whole new world in close-up or macro photography.

A few quick tips on macro photography:

The first basic rule of close-up photography is to get close to the subject. Insect photography requires a macro lens that will allow you to focus very close to the subject. A macro lens (Nikon calls these lenses Micro-NIKKOR lenses) lets you photograph your subjects at near life size.

You're also going to want to use a tripod to steady the camera, especially when you're using a telephoto lens or long shutter speed. When shooting with your camera on a tripod, using a cable release to trip the shutter is the ideal shooting method. Some photographers will go the added step of locking up the mirror on their DSLR prior to tripping the shutter. This further reduces the possibility of movement. If you don't have a cable release, you can use the camera's self-timer instead.

Depending on how close you can get, you will be able to fill the frame with the entire insect's body, or a portion of its body such as its head and antennae. Be cautious, so you don't get stung.

Insects have fascinating bodies, and one of the goals of close-up nature photography is to bring out all the colour and detail of insect life. Good macro photography puts the camera's focus on the eyes, legs, and bodies of these bugs, and their tiny world. For example, taking a photograph of a spider in its web tells a more interesting story.

Background colour plays an important role in composition. If the subject is dark coloured, as many insects are, a lighter, out-of-focus background will make the creature stand out from its surroundings and focus the viewers' attention on it.

The technique for getting an insect to stand out from the background is to use a shallow depth of field. Depth of field is defined as the area in front of and behind the subject that is in focus. Depth of field is determined by the aperture setting. Low f stops like f/2.8 will give you a shallow depth of field, which pinpoints the focus on your subject while the background goes out of focus.

Another technique that nature photographers use is to position their camera so that a brightly lit subject is photographed against a dark background. Exposing for a well-lit subject, under full daylight for example, or with a fill flash, will cause a dark background to underexpose and appear almost black. This effect creates a dark, even background, making the subject stand out.

But if the subject and background are both brightly lit, the insect may be difficult to separate from its surroundings. Placing a household item like a piece of cloth or paper behind the subject can work as a portable studio backdrop, isolating the bug against a plain background and setting it apart from its surroundings.

Insects are more mobile in warm weather: photograph them in the early morning or evening when it is cooler, and they will be moving slower. The available light at these times of day will be more flattering too.

As in all photography, keeping your close-up images simple can give you the most dramatic and beautiful results. Patience and persistence will pay off. Good depth of field and isolating your subject are two points to remember for great macro photography.