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When and where to see itThe eclipse will be visible across several time zones. In North and Central America, it will occur in the early morning hours before sunrise. Observers in eastern Asia and Australia will see it in the evening, while those across the Pacific Ocean will experience it over night. This eclipse won't be visible from Africa or Europe, but more than 40 percent of the world's population could see some part of the totality phase, if they so desired.，更多细节参见wps下载
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The telephoto camera alone is also technically interesting in a few ways. It offers continual optical zoom across the 75-100mm range without in-sensor cropping. This means the lenses physically move to deliver lossless zoom across a range of distances, without jarring leaps between camera sensors and crops. This doesn’t run across the full gamut, but it does roughly cover the 3-4x optical zoom range, which is often used in portrait photography.
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