[Gameplay Cameras] Aperture hard-capped at 1.0?

Development Programming & Scripting Blueprint
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Hi everyone,

I’m using the new Gameplay Cameras system and trying to achieve an ultra-blurry background for a cinematic look. However, the Aperture (F-stop) seems to be hard-capped at 1.0. Values above 1.0 work perfectly, but any value below 1.0 (like 0.01) shows no visual difference in the viewport. For reference, doing this with the old system (classic Cine Camera Component) worked flawlessly without any limits.

my steup

  1. Sequence: Lens Parameters → Post Process (Depth Blur Radius is active).
  2. Post Process Node: I also tried adjusting the Maximum Aperture (min F-stop) inside the Camera/Lens settings of the Post Process node itself. Even when tweaking it directly within the post-processing network, the lower values are completely ignored.
  3. Scalability: Post Processing is set to Epic/Cinematic.
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anybody?