MAXIMUM COMPATIBILITY - Seamlessly adapt Zeiss CP.3 lenses (21mm T2.9, 25/28/35mm T2.1) to Canon EF mount cameras, ensuring broad compatibility for diverse shooting scenarios. PRECISION ALIGNMENT - Achieve optimal image quality with included colored plastic shims, allowing for meticulous adjustments and perfect lens alignment on your Canon EF mount. ROBUST DURABILITY - Benefit from a rugged EF-adapter ring and support bracket, providing enhanced stability and long-lasting performance, even in demanding production environments. ENHANCED PROTECTION - Keep your valuable lenses safe with the included EF-Mount cover ring and rear lens cap EF, guarding against dust, scratches, and potential damage during storage.