Veo prompt for a rack focus from a bullet casing to a witness

An official Google example Veo prompt for a slow rack focus from a bullet casing to a witness’s face.

Model
Veo
Task
Video scene
Source
Official example from Google

The prompt opens on a medium shot of a detective’s hand holding a spent bullet casing, then shifts focus to reveal an anxious witness in the background. Google uses it in the Lens and optical effects section as an example of rack focus. To adapt it, keep the foreground-to-background structure and swap the object and the person the focus moves to.

The prompt is quoted from Video generation prompt guide | Google Cloud Documentation.

Prompt
A medium shot of a detective's hand in the foreground, holding a single, spent bullet casing. The camera then performs a slow rack focus, shifting from the casing to reveal the anxious face of a witness in the background, now in sharp focus
What it produces
Asks for a medium shot where focus shifts from a bullet casing in the foreground to a witness behind it.
Source link
cloud.google.com
Added

Questions

What is a rack focus?
As this prompt describes it, the focus shifts from something in the foreground to something in the background during the shot.
How do I write a focus change for Veo?
Describe the starting subject, then say the camera performs a rack focus to the second subject, as this prompt does.
Where does this prompt come from?
It is quoted from the Lens and optical effects section of Google Cloud’s Video generation prompt guide for Veo.

See also

Sources: each prompt is quoted from the official example or the public post linked on its page. Promptline is not affiliated with OpenAI, Anthropic, Google or Midjourney.

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