老照片修复为单反级高清人像

Restore this old photo to professional DSLR-quality portrait, with improved color and detail, using advanced upscaling comparable to Canon EOS R6 Mark II. Keep it natural, with accurate facial features and high clarity.

将这张旧照片修复成专业的数码单反相机品质人像，改善色彩和细节， 使用可媲美 Canon EOS R6 Mark II 的高级放大技术。 保持自然，面部特征准确，清晰度高。