BuyDig via eBay offers the Rokinon 8mm f/3.5 HD Ultra Wide Fisheye Lens for Canon, Sony, Sony E Mount, or Pentax, model no. HD8M, for $199.99 with free shipping. That's $15 under our August mention and the lowest total price we could find by at least $49. Features include a removable hood, aspherical lens, and front and rear lens caps. Deal ends October 18 at 11 am ET.