Line 28:
Line 28:
Be careful not to touch the lens surface with your hands, and do not wipe the lens surface with non-professional paper.
Be careful not to touch the lens surface with your hands, and do not wipe the lens surface with non-professional paper.
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[[File:聚焦.jpg center|thumb|800x800px|Focus operation method]]
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[[File:聚焦.jpg|center|thumb|800x800px|Focus operation method]]