Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM Review
The Sigma 18-200mm f/3. 5-6. 3 DC Macro OS HSM is an ultra-zoom lens for Nikon and Canon APS-C DSLR cameras. Crucially offering built-in image stabilisation, the Sigma 18-200mm offers an effective focal range of 28-300mm and a minimum focusing distance of 14. photographyblog.com »