![M.Zuiko Digital ED 150-400mm f/4.5 TC1.25x IS PRO](https://petapixel.com/assets/uploads/2023/10/OM-System-M.Zuiko-ED-150-400mm-f4.5-IS-PRO-Review-Worth-Waiting-For-300x157.jpg)
OM System M.Zuiko ED 150-400mm f/4.5 IS PRO Review: Worth Waiting For
The M.Zuiko Digital ED 150-400mm f/4.5 TC1.25x IS PRO debuted in early 2021 and has been nearly impossible to acquire ever since. Huge demand and lengthy back-orders have finally given way years later and we now have a chance to finally review this exciting telephoto.