Adorama has a two-day only deal on Rokinon 8mm F3.5 HD Fisheye Lens for Sony E-mount mirrorless cameras. This is the newer “HD” version of this popular lens, which features a detachable lens hood for full-frame shooters to get the widest field of view.
Rokinon 8mm f/3.5 HD Fisheye Lens with Removable Hood for Sony E-mount – $179.00 – at Adorama.com
See Rokinon 8mm f/3.5 HD Fisheye lens sample images at Flickr.