Jan 7th, 2007, 20:37 | 只看该作者 #33 | |
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To arrest a movement, if shutter speed T is required to freeze the subject on the photo when it is moving toward the camera, then shutter speed T/2 (one stop faster) is required to capture it when it is moving 45 degrees to the camera, and T/4 (two stop faster) is required to capture it when it is moving 90 degrees to the camera. 此帖于 Jan 7th, 2007 21:04 被 william06 编辑。 |
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