The expensive and monstrous Sony 500mm f/4.0 Super Telephoto Lens reviewed by John Sison and how it’s made. The Sony 500mm f/4.0 is a technical marvel from Sony, but at $12,998 it’s out of reach for all but a lucky few.
Sony 500mm f/4.0 Super Telephoto: B&H Photo / Amazon / Adorama
Sony Alpha a99 Mark II: B&H Photo / Amazon / Adorama
https://www.youtube.com/watch?v=ovxtgj4SsiI