Sony Sonnar T FE 35mm f/2.8 ZA SEL35F28Z Lens Bundle Includes Manufacturer Accessories + 3PC Filter Kit + Lens Pen + Cap Keeper + Microfiber Cleaning Cloth Sony E Mount Full-Frame; Aperture Range: f/2.8 to f/22 Three Double-Sided Aspherical Elements; Carl Zeiss T* Anti-Reflective Coating Internal Focusing Mechanism Dust and Moisture-Resistant Construction Seven-Blade Circular Diaphragm