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Scotty wrote:

E.J. Peiker wrote:I spent pretty much the last 48 hours with it non-stop, ran many tests, some real world shooting and comparisons.  I wrote a mini review based on that.  It's an exceptional lens and blows the doors off the Canon, especially with the TC inserted, and kills any other zoom I have ever used.  It's essentially indistinguishable from a prime and finally solves the Nikon infinity focus sharpness issue...  Quite frankly I wanted to not be as good as it is because then I wouldn't have FOMO and would continue to be happy with my Sigma 150-600 Sport, but that didn't happen...   Here's a link to my write-up:
http://www.ejphoto.com/Quack%20PDF/180-400.pdf

Thanks for the great review - just curious if the Nikon 180-400 required much (if any) in the way of focus tuning to get it that sharp?

Gary Irwin wrote:

E.J. Peiker wrote: You mean the one that adds letters P and F to the alphabet soup of lens naming...

Ummm....maybe. 

BTW, if you get a chance E.J., I’d be very interested to see a quick test of this lens with an external TC14EIII. I’m not a fan of TC’s by any means, but if this lens is so sharp, it would be interesting to see if it could do a decent 800mm @f8 (i.e. not stopped down). If sharpness was passable, that would make this lens a really interesting all-in-one option.