IRIX 11mm f/4 - Affordable Ultra Wide & Rear Filters Suck

A review of the ultra wide-angle 11mm f/4 lens from Irix. This fully manual lens delivers impressive results for the cost but those rear filters SUCK.

The IRIX 11mm f/4 Blackstone lens is a great deal for those wanting to shoot wide angle. As with the 15mm IRIX we reviewed last year it comes in the metal built Blackstone version and plastic Firefly. Optically they are the same lens, you'll just get a better build quality with Blackstone. For the price point, it's a great lens, the corners look great wide open at F/4 for distortion and there's very little chromatic aberration. It's nice to use with a handy stop for infinity built into the focus ring, which you'll be using frequently with a lens this wide. The only complaint so far is the rear filters, which we recommend you picking up a set of Nisi filters instead. The IRIX 11mm f/4 Blackstone is a manual focus lens, but for the price, it's the best option at the moment.Irix 11mm f/4.0Buy the IRIX 11mm f/4:  IRIX 15mm f/2.4Buy the IRIX 15mm f/2.4: the Irix 15mm f/2.4 ReviewIrix Edge Gelatin Filter SetRear Filters from IRIX: