光圈非常重要,因为它决定你的相机在不同照明条件下拍摄速度有多快,以及拍摄时的感光度(iso)为多少。
This is extremely important, because it determines how fast and at what light sensitivity (ISO) your camera can shoot in different lighting conditions.
图像编码系统可对图像进行比较,并过滤出从不同角度拍摄、在多种光线条件下拍摄的地标图像。
Visual algorithms compared and filtered landmark images taken from different angles and under many lighting conditions.
不同的相机在低照度条件下长时间曝光拍摄的表现差异很大,因此建议从iso 800起调,并相应地进行调整。
Each camera model react differently during low-light long exposures, so start at ISO 800 and adjust accordingly.
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