Amazon has a good number of Lightning Deals on the Rokinon 50mm F/1.5 Cine Lens, 7.5mm Fisheye, and 12mm F/2.0 Wide Angle. These deals are only scheduled to go by very fast, so make sure to check on these products at the scheduled time.
2:50pm (PST) - Amazon Lightning Deal on Rokinon 7.5mm Fisheye Lens for Sony E Mount (found here).
Rokinon 7.5mm Fisheye Lens Sony NEX Sony E Mount
3:50pm (PST) - (Nikon mounts can easily be adapted to fit Canon EOS, M43, etc.). Lightning Deal on Rokinon 50mm T/1.5 Cine Lens for Nikon Mount
Rokinon 50mm T/1.5 Cine Lens Nikon Mount
4:50pm (PST) - Great for Fuji X-Mount cameras, but this lens cannot be adapted. Lighting Deal on Rokinon 12mm F/2.0 wide Angle Fuji-X Mount.
Rokinon 12mm F/2.0 Fuji X Mount
4:50am (PST) - Lighting Deal on Rokinon 50mm T/1.5 Cine Lens for Canon Mount (here)
Rokinon 50mm T/1.5 Cine Lens Canon Mount