Interactive Camera Focus Lab
讲解科普
A roughly 32-second screen recording of an interactive lens lab that explains how camera focus works: turning the focus ring moves the lens groups and shifts the plane of sharp focus. The author also links a live page you can try in the browser. The style draws on the author's earlier project files. Good for photography teaching, optics explainers, and interactive course-material demo clips.
年度与永久会员
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