Sony E 15mm f/1.4 G Lens Short Description E-Mount Lens/APS-C Format 22.5mm (35mm Equivalent) Aperture Range: f/1.4 to f/16 Super ED, ED, and Aspherical Elements Dual Linear AF Motors; Internal Focus Min. Focusing Distance: 6.7' Suppressed Focus Breathing Dust- and Moisture-Resistant Design Physical Aperture Ring; De-Click Switch Rounded 7-Blade Diaphragm