Sigma have announced the launch of the 18-125mm f/3.8-5.6 DC OS HSM, a high ratio zoom lens incorporating Sigma’s original OS (Optical Stabiliser) function.

does anyone have experience with the difference in quality between these two lenses? i was told the sigma was faster and better but after some research i am having doubts. they are probably pretty ...

You can't expect the same performance from a superzoom lens like the Sigma 18-300mm F3.5-6.3 DC Macro OS HSM Contemporary ($579) as you can from a prime lens or a shorter high-quality zoom like ...

Sigma has used CES to announce redesigned version of its popular 18-200mm f/3.5-6.3 zoom lens and 50mm f/1.4 lenses. The new Sigma 18-200mm f/3.5-6.3 DC MACRO OS lens. (Source: Sigma.) The 18-200mm F3 ...