X-Mount Lens/APS-C Format 85mm (35mm Equivalent) Aperture Range: f/1.2 to f/16 Apodization Filter for Pleasing Bokeh One Aspherical Element, Two ED Elements HT-EBC Multi-Layer Lens Coating High Speed AF & Inner Focusing Mechanism Seven-Blade Rounded Diaphragm Supports X-Series Camera's LMO Function