7artisans 7.5mm/f 2.8 fisheye lens features a maximum aperture of F/2.8. Model: 7artisans 7.5mm F2.8II. Aperture Range: F2.8-16. There is also an included foldable hood, which is convenient for your outdoor photography.You can use it on panorama, macro photography, wide angle photography, and fun works photography and so on.
eBay