ENHANCED COMPATIBILITY - Adapts Leica R lenses to Pentax Q-series cameras, expanding your lens options and camera versatility for creative shooting. PRESERVE IMAGE QUALITY - Maintains infinity focus, ensuring sharp and clear images across the entire focal range with your adapted lens setup. DURABLE CONSTRUCTION - Crafted from brass with stainless steel finishing, providing a secure and stable connection between lens and camera for reliability. FULL METERING SUPPORT - Supports stop-down metering and TTL flash metering, giving you precise control over exposure in various shooting conditions.