Motion Blur
Movement during each exposure creates streaking within frames while the scene still advances at normal playback speed.
Background
Motion within each exposure forms per-frame streak while playback may stay at normal speed.
Narrative function
Motion Blur shapes how audiences read space, time, power, or emotion. Used with intention, it becomes part of the film's visual grammar rather than decoration.
How it works
Execute Motion Blur with clear marks: lock lens, distance, lighting, and timing so the technique supports the beat. Rehearse once, then protect continuity across coverage.
When to use
- When the scene's emotion or geography benefits from Motion Blur.
- When you want a readable visual motif that can pay off later.
- When a contrasting setup will make the next cut or reveal land harder.
FAQ
- What is Motion Blur?
- A cinematic technique: Motion Blur — a deliberate visual choice with readable grammar on screen.
- When should I use Motion Blur?
- When the scene's emotion or geography benefits from Motion Blur.
- What is a common mistake with Motion Blur?
- Using Motion Blur as a flex without story motivation.
Prompt
Includes camera move matched to the title, plus lens triad extras: focal length, aperture/T-stop, ISO, shutter, white balance, and the story being filmed.
16:9 cinematic demo: Motion Blur. Technique: Movement during each exposure creates streaking within frames while the scene still advances at normal playback speed. Scene: A cyclist passes a fixed camera outside a warmly lit bakery at dusk. Start: Waist-height wide view; empty near lane, bakery window center, stationary bollard right. Motion: Hold the camera and exposure. The cyclist crosses left-to-right from seconds two to five; spokes, scarf and wheel edges smear in the direction of travel, while the stationary bollard remains sharper. End: The cyclist leaves frame right and the fixed bakery scene continues for the final three seconds. Camera: 35 mm rectilinear prime; fixed focal length, f/2.8, shutter 1/24s, ISO 400, 24fps. Light: A 3200 K practical at camera left motivates the warm key; a low-level 6500 K source beyond the subject separates the background. Flag spill from the lens unless a flare is specified. Retain illuminated texture around practicals while allowing tiny cores to clip. Color: Amber window ribbons against cool grey street and a muted red scarf. Preserve distinct shadow, midtone and highlight values within this palette; keep the named material treatment consistent between frames, with controlled highlights rather than a generic filter. Duration: 8s. Mode: single_take.
Related techniques
- Slow Motion
More capture samples are replayed at a lower frame rate so an event occupies proportionally more screen time.
- Time-Lapse
Widely spaced exposures compress slow environmental change, with interval and exposure specified separately.
- Freeze Frame
A single selected frame is held so all visual sampling stops, including subject, background and texture.
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