Irix 11mm f4 REVIEW - The best ultra wide angle on the market?

I have recently had the chance to test a fantastic lens from IRIX, their 11mm f4 for full frame cameras, but just how well does it perform? Irix 11mm f4 Firefly - https://goo.gl/T9uApc Irix 11mm f4 Blackstone - https://goo.gl/gCyEb5 www.instagram.com/dpmphotographs My Gear: Sony A7III - https://goo.gl/UMnzrm Sony 16-35 f4 - https://goo.gl/VFVhjE Sony 28mm f2 - https://goo.gl/7yNDzR Sony 55mm f1.8 - https://goo.gl/sRRAji Sony 85mm f1.8 - https://goo.gl/6Qrpeq Sony 70-200 f4 - https://goo.gl/WSrBt5 Sony 100-400 - https://goo.gl/CzoKAz Sigma 35mm f1.4 - https://goo.gl/rSFkDB LeiFire dual charger + 2x batteries - https://goo.gl/Br5qzh LeiFire single battery - https://goo.gl/BCJvpC Music by Bensound.com