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Therefore, when shooting in macro, it is easy to get a shallow depth of field if utilizing a large aperture. We often make use of the F8, F11, F13 such small, and medium-sized aperture to look at photograph to ensure the photo has clear range. If you use a 100mm macro lens to shoot the insects' close-up, even with the F13 aperture, the depth of field is extremely shallow, and sometimes need to utilize the manual focus function to carefully adjust the focus position to spotlight your eyes of insects to make the image more vivid. Children having Obsessive and Compulsive Disorder and they are having Behavioral Therapy are taught regarding how to deal and manage their obsessions and compulsions without performing some actions or rituals into it. Children may initially think it is very difficult to get away on their recurring and persistent thoughts and actions but because the behavior therapy continues they eventually learn on how to handle their disorder. Behavior therapy also gives children the bravery and strength to fight their symptoms.