Traditional Culture Encyclopedia - Photography and portraiture - What are the precautions in photography?
What are the precautions in photography?
Be sure to use manual exposure, otherwise the exposure of each negative is inconsistent and it is very troublesome to connect. Photometry should consider the light and shade of the whole scenic spot. If the environmental brightness of the two films is very different, it is necessary to use a exposure value which can fully represent the light and dark part of the whole scenic spot after separate metering. Set this value to manual exposure value.
Second, shoot
Be successful when shooting, don't pause for too long. Especially when the sky is cloudy. Clouds will move when the interval is long, and whether the clouds cover the sun will also affect the exposure. You can use manual focus or autofocus when shooting. In different films, the focus can also be changed appropriately.
Third, the node
Generally, films without dark corners should overlap about 1/4. For films with relatively close scenes, it is necessary to overlap more, so as to handle the transition between scenes. Films with dark corners should also overlap more, and about 1/3 is enough.
Fourth, deal with
The film should be shot horizontally and rotated on a plane, preferably a horizontal plane. Actually, it's not that much trouble Due to various deformations and rotations in the later stitching, any errors in shooting can be corrected (sometimes distorted). So just pay attention to the overlap of each film when shooting. Minimize the fluctuation momentum of each film to ensure the maximum effective area after splicing. When the tone, tone and sky brightness of the objects at the joint are adjusted consistently, the stitching effect is ideal.
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