Racking focus is the practice of shifting the attention of a viewer of a film or video by changing the focus of the lens from a subject in the foreground to a subject in the background, or vice versa.
The 70-200 is a solid lens. Although, you’d better be strong! Took this lens to the park and just grabbed this in one take. It is so easy! This is at 200mm on the Canon 7D.
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