Sony FE 28mm f/2 Lens - International Version (No Warranty) E-Mount Lens/Full-Frame Format Aperture Range: f/2 to 22 Aspherical, AA, and ED Elements Linear Actuator Autofocus System Internal Focus; Physical MF Ring Minimum Focus Distance: 11.5" Dust and Moisture Resistant Filter Diameter: 49mm Circular 9-Blade Diaphragm Optional Ultra-Wide & Fisheye Converters