ELi5 How a cameraman at a sports event able to track a fast moving ball with such a great focus on it? 404 viewsJanuary 3, 2024 Question90.61K May 6, 2022 0 Comments ELi5 How a cameraman at a sports event able to track a fast moving ball with such a great focus on it? In: 2760 24 Answers ActiveNewestOldest Anonymous Posted May 6, 2022 0 Comments They use parfocal “box lens”. Those big, rectangular lenses are for this job. They set the focus on an object, and it stays even if they zoom in or out. This video explains it really well: https://youtu.be/RkTaMyatsTo You are viewing 1 out of 24 answers, click here to view all answers. Register or Login
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