Sony's Evolved 100 400mm f/4. 5 GM OSS Is for Sports and Wildlife Pros The photography world has been eagerly awaiting a refresh to Sony's 100 400mm f/4. 5 GM OSS lens, and the wait is finally over.
On closer inspection, this new lens reveals itself to be more than just an incremental upgrade.
It marks a significant overhaul in design philosophy, one that promises improved performance and a fundamentally different approach to lens construction. One of the most notable innovations in the 100 400mm f/4.