SIRUI 40mm T1.8 1.33x S35 X Mount Blue Flare Autofocus Anamorphic Lens (40AF133X-XB)

Advanced STM motor is added to achieve fast, accurate autofocus and eye focus; Horizontally equivalent to full frame 42mm; Classic Blue flares are suitable for sci-fi, mystery, and music video scenes; 40mm produces a distinctive hexagonal elliptical bokeh when the aperture is fully open; 1 aspherical lens and 5 cylindrical lenses are included