Highly detailed, highly realistic HDR office portrait of a man product manager in a light gray twill shirt with sleeves rolled, dark chinos, stubble neatly trimmed. Camera: 35mm lens, f/2.8, ISO 250, waist-up, slight diagonal angle from the side. Lighting: daylight from large window as main key, soft LED fill from ceiling; natural shadow cast on whiteboard behind. Pose: right hand holding marker mid-drawing, left… Show full prompt