Review on Sigma 50-500mm f/4.5-6.3 APO DG OS HSM SLD Lens for Canon DSLR Camera - Ultimate Ultra Telephoto Zoom Lens by Ha Joon Bong ᠌

Although I shot a little, I was very pleased. After Tamron 28-300, I was especially pleased with the sharpness at the long end. HA are minimal. Surrounding in shock from the dimensions)) Has pros: 1. Range of focal lengths 2. Build Quality 3. Sharp throughout the FR range 4. The stub is great 5. internal focus 6. Adequate price for this "beast") Its cons: 1. Well, weight, that's understandable. But this is a trifle for me is not so important. 2. A 95 mm light filter is a problem to find, especially a polarizer 3. tight zoom ring. 4. Vacuum cleaner, half a year of use - and a few dust particles on the second glass from above. does not affect image quality