Core Function: In bright environments, by reducing the amount of light entering the camera, slower shutter speeds or wider apertures can be used. Core Application Scenarios: Motion Blur: Capture smooth flowing water, waterfalls, floating clouds, or eliminate moving people/vehicles during the day. Shallow Depth of Field: Achieve background blur effects using a large aperture (e.g., f/1.4) in strong light. Long Exposure Creative Effects: Achieve effects such as "disappearing" crowds, light painting, and car light trails. Video Shooting: Achieve cinematic motion blur at a fixed frame rate using a more ideal shutter speed (e.g., the 180° shutter rule).
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