Tuesday, March 6, 2012

A/AV aperture priority model and fuzzy control clear

Aperture priority was to Camcorder Battery manual adjustment aperture size, and then to use the camera for the shutter obtain values. Due to the size of the aperture directly influence the depth of field, so in the daily photographer photography, this model is most widely used.

In the film, like, we generally USES large canon bp-808 battery aperture and get a long-focal-length throw the background is for the shallow depth of field effect, this shooting style can highlight the main body.

During the filming the landscape, the photographer generally want to get broad, the vast expanse of the visual effect, in order to make on the photograph was taken all objects are completely clear, the space feels clear, needed to use the F22 or smaller aperture value.

Aperture priority of the main significance is to control the picture of the depth of field. We all know that picture of the depth of field by the canon hf10 battery aperture of the lens size, the focal length of the lens and take distance to three factors, while filming a photo, the focal length of the lens and take distance are certain, can use the only change the size of the aperture, therefore, aperture size on the picture of the depth of field in fact plays a decisive role.

Use aperture priority should also pay attention to look through the viewfinder display shutter speed. When the subject the strong light, and you chose the maximum aperture and shutter speed and more than the actual camera canon nb-2l battery shutter speed, can appear excessive exposure, should narrow aperture shooting, when the subject field light weaker, or are you in use small aperture, is the opportunity to choose slower shutter speed, at this time you choose if is armed with shooting, so picture is likely to appear the fuzzy, influence the picture quality, you can choose from a large aperture is to use a tripod or to take photos.


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