• Leica M-Mount Lens
• Aperture Range: f/1.25 to f/16
• Four Sets of Apochromatic Doublets
• Four High Index Elements
• Manual Focus Operation
• Minimum Focusing Distance: 3.3'
• Integrated 1/4"-20 Tripod Socket
• Clicked Aperture Ring
• 10-Blade Diaphragm
• Lens Hood Reverses for Storage
• Filter Size : 77 mm