Only the subject is sharp and the background blurs, so the eye gathers on one spot.
When to use it
Emphasizing a product or person, when you want to hide AI errors in the background.
Example videos
Depth of Field Explained: Ultimate Guide to Camera Focus (Shot List Ep. 4) — Explainer: From 3:32, the shallow depth of field section, where only the subject is sharp and the background blurs.The Pros And Cons Of Shallow Depth Of Field — Explainer: From 5:38, it shows with movie scenes how shallow depth of field gathers the viewer's eye.AI Focus & Lens: 5 Techniques Explained and Built — AI: From 1:27, an example of shallow depth of field made as AI video, with the prompt.
Will AI handle it well?
Public AI example available — Veo 'Shallow depth of field'
One-click prompt
Shallow depth of field at f/1.8, a girl holds a sparkler in a dark garden, face and sparks razor sharp, creamy bokeh of string lights behind her, locked-off camera, 85mm lens, warm glow on her cheeks, magical mood, 5-second shot.
Tell the AI like this
shallow depth of field, f/1.8, creamy bokeh background