Rokinon 8mm f3.5 HD fisheye for $190 (Pentax/E-mount) to $210 (Nikon FF)

Adorama has a sale on five different variations of the Rokinon 8mm f3.5 fisheye lens with the Pentax K-mount and Sony E-mount going for $190 (the last two on the page), with the Fuji X and different E-mount for $200 and the Nikon full frame going for $210. These are manual focus lenses.