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CameraX / Camera2 – Autofocus locked on previous scene causes wrong focus when quickly changing scene and capturing
I’m using CameraX (Preview + ImageCapture) on a Samsung Galaxy Fold 7.
My current flow is:
- Let the camera autofocus and become stable on one scene
- Quickly move the camera to a new object/scene
- Capture immediately
Problem:
- Autofocus is still locked or focused on the previous scene
- The capture happens before refocus completes
- Resulting image is out of focus / wrong focal plane, affecting image quality
Questions:
- Is this behavior expected with CameraX / Camera2 autofocus?
- Is there a recommended way to force refocus or reset AF when the scene changes rapidly?
- What is the best practice to balance AF locking vs fast scene change to avoid capturing with
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That's a common issue with CameraX! It's like playing Wordle Unlimited – you need to quickly adapt to a new word (scene), but sometimes the autofocus is stuck on the previous guess (focus). Is there a way to instantly clear the "board" (reset AF) before taking the "picture" (capture)? Understanding if this lag is standard or if a workaround exists is key to sharper images.
