Create an ultra realistic mechanical pencil portrait using the uploaded photo.

Requirements:

• Preserve the exact identity and recognizable facial features.
• Keep the original hairstyle, facial hair, skin tone, facial proportions and expression.
• Transform the portrait into a museum-quality mechanical pencil drawing.
• Use ultra fine graphite strokes with extremely clean line work.
• Add realistic soft shading, smooth gradients and subtle cross-hatching.
• Premium white drawing paper with authentic paper texture.
• Professional technical illustration quality.
• Hyper realistic hand-drawn appearance.
• Soft natural studio lighting.
• Sharp focus.
• Ultra detailed.
• Photorealistic.
• 8K quality.