SUPERIOR IMAGE QUALITY - Maintains optimal image clarity and sharpness by ensuring a precise connection between your Contax/Yashica lens and Sony E-mount camera, preserving the original lens's optical performance. ENHANCED COMPATIBILITY - Seamlessly adapts Contax/Yashica lenses to a wide range of Sony E-mount cameras, including NEX series, a7, a7R, a9, a3000, a5000, a6000, and more, expanding your lens options. PRECISION FOCUSING - Allows for accurate manual focusing, giving you complete control over your depth of field and creative expression when using adapted Contax/Yashica lenses on your Sony E-mount camera. ROBUST BUILD QUALITY - Constructed with high-quality brass and aluminum, this adapter ensures durability and a secure fit, providing a stable connection between your lens and camera for long-lasting use.