这两组照片合成了照片R，其照片质量可与长时间曝光技术拍摄的相媲美。
The pair are combined to give an output image (R) which is of comparable quality to a reference long exposure shot (L).
光线不好、或者使用长焦拍摄，由于需要长时间的曝光，相机的抖动很容易让照片糊掉。
Photos taken in low light or with long telephoto lenses can easily be ruined by blur caused by the camera moving during the exposure (camera shake).
照片说明：拍摄焰火照片需要长时间的曝光，这意味着要降低快门速度。
Photo Tip: The long exposures required for firework photography mean slow shutter speeds.
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