The new Irix 11mm f/4 lens should start shipping in January, 2017 according to a Facebook post from their distributor in Sweden. The lens is expected to be priced above 600 EUR.
Update: European price is €639 for the Firefly version and €879 for the Blackstone version (source).
Irix lenses are available in Nikon, Canon and Pentax mounts and can be purchased at Amazon US, Amazon UK, Amazon DE and Amazon IT.
