While it's not cheap, the Sigma 50mm f1.4 lens provides great value for the money.
As long as it stays at a sub-$1,000 price, the Sigma 18-35mm F1.8 DC HSM lens will be a great deal for photographers using APS-C dSLRs.
In addition to a lighter, faster and probably better version of its fast pro lens, Nikon also updated its 1.4x teleconverter.
A bright, fast lens with a high-end build, the Olympus M.Zuiko 75mm f1.8 is a great option for portrait photographers shooting with Micro Four Thirds cameras.
You get you what you pay for with the Canon EF 200-400mm f/4L IS USM Extender 1.4X: superlative performance and flexibility.
In addition to speeding up its flagship interchangeable-lens model, Nikon debuts a power-zoom kit lens and a telephoto zoom for its CX mount.
Though it doesn't deliver the best photo quality, the sum of the Olympus OM-D E-M10's design, performance and features add up to a nice upgrade from a point-and-shoot.
The clip-on photo lens maker for iPhone and iPod touch will have a new one just for the iPad.
Demoed at CES 2014, the Izzi Slim iPhone case is a fisheye, wide-angle, telephoto, and macro lens in one.
The company's new flagship interchangeable-lens model is weather-resistant and ready for action shooting.