Sony 55mm F1.8 Sonnar T FE ZA SEL55F18Z Full Frame Prime Lens - International Version (No Warranty) 15PC Bundle Includes + 3PC Filter Kit (UV-CPL-FLD) + 4PC Macro Filter Set (+1,+2,+4,+10) + More Sony E Mount Full-Frame Aperture Range: f/1.8 to f/22 Carl Zeiss T* Anti-Reflective Coating Nine-Blade Circular Diaphragm Dust and Moisture-Resistant Construction