Why it matters
It separates the subject and creates a polished cinematic look.
Lens / Optics Foundation Beginner
Shallow Depth of Field
Only a narrow slice of the image is sharp while the rest blurs.
When to use
- Portraits
- Product beauty
- Emotion
- Busy backgrounds
Human shoot hint
Use portrait mode, a wider aperture, longer lens, or more distance from the background.
AI prompt template
cinematic [subject], shallow depth of field, blurred background, soft light, [duration]
Preview prompts
previewVideoUrl: null
[subject] in shallow depth of field, background softly blurred, 3 seconds
Common mistakes
- Important subject is out of focus
- Blur used without story purpose