Why a gameplay camera and SceneCaptureComponent2D can produce different framing and how to fix it. This deep dive breaks down both projection pipelines in UE5, explains Maintain Axis math, and covers two solutions: a quick Blueprint workaround and a C++ custom SceneCapture component that matches the camera via CustomProjectionMatrix.
https://dev.epicgames.com/community/learning/tutorials/98yn/unreal-engine-ue5-camera-vs-scenecapture-maintain-axis-frustum-math-projection-pipeline