Highly realistic HDR portrait of a woman professor with salt-and-pepper bob hairstyle; dark wool blazer over a jewel-tone silk blouse; fine-rimmed glasses. Camera: 85mm lens, f/2.0, ISO 250, chest-up, shot from slightly below eye level for authority. Lighting: natural window daylight as key, subtle fill from white wall; shadow defines cheekbones and jawline. Pose: holding an open book at chest height, warm attentive… Show full prompt