sigma 50-500 os

[holty]

anyone using the sigma 50-500mm os version ?
whats it like on the d850 for iq ?
any good or bad points ?

 

[RichardC27]

Is this the old version of the lens? I don't think the image quality was ever all that great. I have the closely related 120-400mm Sigma from that era and wide open at 400mm it's not great