As one of its daily deals, Best Price Optics via eBay offers the Rokinon 8mm f/3.5 Ultra WideFisheye Lens for Canon EOS, Nikon, Sony, Sony E, Olympus, or Pentax, model no. FE8M, for $189.99 with free shipping. That's $10 under our mention from two weeks ago and the lowest total price we've seen for this lens. (It's also a current price low for any model camera by $40.) Each features hybrid aspherical lenses, and a built-in petal-type lens hood. Deal ends today.