Studio shot of a luxury fountain pen, elegantly positioned on a walnut desk surface, soft ambient shadows, smooth gradient backdrop, high-key lighting, shallow depth of field, ultra-sharp focus on the subject, subtle reflections, minimal aesthetic, professional DSLR, premium commercial lighting setup, optimized for high-end product presentation –ar 3:2 –v 7.0豪华钢笔的摄影作品，优雅地摆放在胡桃木桌面上，柔和的环境阴影，平滑的渐变背景，高调照明，浅景深，超清晰对焦于主题，细腻的反射，极简的美学，专业单反相机，优质商业灯光设置，优化以呈现高端产品。
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