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.
A new lens for its 654 system includes all of Pentax's latest tech.
While it's not cheap, the Sigma 50mm f1.4 lens provides great value for the money.
In addition to wide-angle and fish-eye lenses, the new Olloclip 4-in-1 tacks on two macro lenses for your iPhone.
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.
Its new 18-35mm lens comes in at a more reasonable price for buyers of that camera.
The iPhone gets the action sports camera treatment thanks to the rugged Optrix XD Sport case with built-in wide-angle lens.
You get you what you pay for with the Canon EF 200-400mm f/4L IS USM Extender 1.4X: superlative performance and flexibility.
The Nikon 1 J1 is a fine camera, but there's nothing here that screams out "buy it" over similar competitors. It's also on the expensive side for a point-and-shoot upgrader, but has drawbacks for the more advanced user.