All good comments. I have the 80-400. It was sub-optimal until it quit working. Sent it to Tech repair, near B&H. It returned working better than new. Sharp and reasonably fast. I think the essence of this issue is accurately understanding it's purpose in your photography. Its a great walk around lens for subjects reasonably close, but clearly falls off at distance. I've had a Tamron 150-600 and found it too slow for BIF, missing as many as 50% while on the Amazon. I was not happy. After researching the issue, again I bought the 80-400 and it worked for its purpose. I have a 200-400 and a 600. They both do the job for a dedicated task at distance, both too heavy for a walk around. There a very good reviews of the Sigma 150-600, and I think better than the Nikon 200-500 in both lens/image quality and durability. Good luck.
Thanks
It sucks having a budget, but wanting the best knowing practical pricing have compromises
I’ll test the top recommendations
Thanks
The 80-400 D is a pretty good lens, and you can find good used ones for $400 or less. It is reasonably sharp. Auto focus is VERY slow. Found it to be useless for BIF shots. The newer AFS lens is much quicker but is expensive. I would rather (for less money) look at the 200-500 or a Tamron 150-600 G2.
Owned the 200 500, maybe a bad copy, who can know... bottom line: not sharp certain distances and at 300 even when tuned IN... compared to a friends 300 Star prime lens was NOT in the same ballpark. I bought it new from B&H and returned it for the nikon 300 f4...which was as sharp as my friends, if NOT sharper.
I learned several things: Primes are always sharper than zooms, many of the Thailand zooms may not be good copies... since that time, I ONLY buy primes, I do know others have good luck and images with their zooms..
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