E-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 29% Weight Reduction from Previous Model Four XD Linear AF Motors; 4x Faster AF One XA & One Aspherical Elements Two ED Elements & Two Super ED Elements Nano AR Coating II Optical Steady Shot Image Stabilization Dust and Moisture-Resistant Construction Eleven-Blade Circular Diaphragm