The company rounds out its consumer lens lineup with a 55-300mm model.
For a reasonable $25, you can add a 10X or 12X optical zoom to your iPad or iPad Mini. Get ready for your close-up.
Versatile, sturdy, and built with high-quality optics, the Sigma APO 70-200mm F2.8 EX DG OS HSM offers a good value, although it's not exactly cheap.
This universal adapter making the rounds on Kickstarter combines your smartphone with a pair of binoculars to create a megazoom camera.
The maker of the quick-connect three-in-one lens for the iPhone adds a 2x telephoto and circular polarizer lenses to its lineup.
A look at the Sigma APO 70-200mm F2.8 EX DG OS HSM telephoto zoom lens and some of the shots it's good for.