Traditional Culture Encyclopedia - Photography and portraiture - How was the photo of the eclipse gourd string taken? Late PS synthesis?
How was the photo of the eclipse gourd string taken? Late PS synthesis?
Multiple exposure means that after a photo is taken, it is not rolled up first, but still exposed twice with the same negative, so that the taken photo can have special effects. However, ordinary digital cameras can't realize such a series of images, so it is necessary to realize the gourd image series during the total solar eclipse through post-synthesis.
To watch the total lunar eclipse, it is best to use a small astronomical telescope. People who love astrophotography should prepare their cameras in advance to meet the total lunar eclipse. When shooting, it is best to use a lens with a longer focal length, fix the camera with a tripod, and appropriately increase the exposure time through cable release. If we can select some distinctive background objects, such as towers and ancient buildings, it will be more ornamental.
To shoot "Eclipse Gourd String", you need to choose a camera and a wide-angle lens that can continuously expose multiple times in the same picture, and prepare a tripod fixed camera, and calculate in advance how long it takes to shoot once (usually 15 minutes -20 minutes), and then you can shoot.
Extended data
During the eclipse, the brightness and color of the lunar surface can be divided into the following five levels: level 0, which is very dim and almost invisible; 1, slightly bright, black and yellow, the details are difficult to distinguish; Grade 2, slightly bright, dark red or brown, with some dark spots in the middle and quite bright outside; Level 3, brick red, you can see the details of the moon, but it is very vague.
Level 4, copper red, very bright, very bright outside, slightly blue, you can see big details. When observing the total lunar eclipse, it is necessary to judge the brightness and color scale of the lunar surface and record it. At the same time, record the weather at that time.
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