Rokinon fisheye lens for Sony Alpha Mount System is designed to capture comprehensive images with a semi-circular image. Close images will appear proportionately large for a dramatic effect. It has excellent versatility for capturing images with an exaggerated perspective and expanded effect and delivers full frame coverage. Rokinon 8mm Apherical Fisheye lens construction is made of 10 elements in 7 groups with 1 aspherical lens element. The hybrid asperhical lenses for stunning sharply defined images. This fisheye lens offers a striking 180° field of view for APS-C sized sensors, soft wide-open center at f/3.5, high index, and super multi-coated optical glass to minimize flare and ghosting.