BuyDig offers the Rokinon 8mm f/3.5 Aspherical Fisheye Lens for Canon, model no. FE8M-C, (pictured) for $299. Coupon code “photopro70” drops it to $229. With free shipping, that’s $20 under our December mention and the lowest total price we could find by $51. It features an ultra-wide 180° diagonal field-of-view.