Review of Canon EF-70 200 f/2.8 L IS USM III

Canon unveils Canon EF 70-200mm F2.8L IS III USM, upgrade of one of the most important lenses made for professional Canon 1D and 5D series of DSLR cameras. The lens now includes new technology Air Sphere Coating (ASC) that helps to reduce flaring, ghosting, and suppresses the reflection of light. How much better is it in comparison with his predecessor? See it in the video.