Cheap Photo: Great Lens Deals From Sigma, IRIX, Rokinon and Pentax

If you're looking to add to your lens collection and you want to save a buck (or $300), you need to check out these lens deals. We have found great deals on lenses for Canon, Nikon, Pentax, and Sony cameras, and you can save some serious green. Need a great do-it-all lens? The Sigma 24-105mm f4 is a steal at just $779 (Nikon and Canon), and the Sigma 35mm f1.4 for Canon, Nikon, and Pentax is a bargain for only $699. Looking for an ultra-wide? The IRIX 11mm f4 Blackstone is one of the best, and i...