Reviews / Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Lens Hands-On Have a look at the new Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Lens. 15 Jun 2012 9:00AM by Gary Wolstenholme | Sigma 18-250mm ...

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When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Independent lens maker Sigma has announced a new DSLR zoom lens designed for travellers and ...