Voigtlander Super Wide Heliar Aspherical III VM 15mm F/4.5 (M-Mount) LEN1444

Leica M-Mount Lens Aperture Range: f/4.5 to f/22 One Aspherical Element Optimized for Use with Digital Cameras Manual Focus Design Minimum Focusing Distance: 1.6' Built-In Lens Hood Filter Thread: 58mm Rounded 10-Blade Diaphragm