Sony FE 40mm f/2.5 G Lens Short Description E-Mount Lens/Full-Frame Format Aperture Range: f/2.5 to f/22 Three Aspherical Elements Minimum Focus Distance: 11' Dual XD Linear AF Motors, Internal Focus Focus Hold Button, AF/MF Switch Physical Aperture Ring; De-Click Switch Dust and Moisture-Resistant Construction Rounded 7-Blade Diaphragm