The RISESPRAY 7.5mm f2.8 II fisheye lens is a compact and affordable option for photographers looking to capture immersive and creative images. With a 190 degree field of view and a maximum aperture of f/2.8, this lens is capable of producing stunning, wide-angle shots. It is compatible with Sony E, Canon, Fuji, OLYMPUS M3/4, and Panasonic cameras, making it a versatile choice for various camera systems.