• Specifications Sizing: Medium / Large
  
• Lens: 56 Mm
  
• Bridge: 14 Mm
  
• Arms: 145 Mm
  
• 100% Uv Protection
  
• Lightweight Cr-39 Lenses For Superior Clarity
  
• Hand-Crafted Mazzucchelli Acetate Frame
  
• Base 6 Spherical Lens
  
• Italian Stainless Steel Optical Hinges
  

• Derived to evaluate if a statistical model corresponds to the data
• Haussmann helps one differentiate