What are the key features and benefits of the Sigma 18-250mm f3.5-6.3 DC OS HSM Macro lens?

The key features of the Sigma 18-250mm f3.5-6.3 DC OS HSM Macro lens include a wide focal range, optical stabilization, high-speed autofocus, and macro capabilities. The benefits of this lens are versatility in capturing a variety of subjects, reduced camera shake, quick and accurate focusing, and the ability to capture close-up details with the macro function.