SONY 400-800mm f6.3-8 Lens REVIEW: The ultimate birding lens!

Dave gives his first impressions of the Sony 400-800mm F6.3-8 G Series Lens. This super-telephoto zoom lens has tons of reach, fast autofocus, High resolution and natural bokeh throughout the zoom range. Sony FE 400-800mm f6.3-8 G OSS: https://thecamerastore.com/products/s...