For sale, along side my 17-50, is my barely 6 month old Sigma 70-200 f/2.8. I picked up this lens when I upgraded to the D7200. It's a great lens and in great shape and is sharp. I had the local camera shop running some focusing tests on this lens (due to hearing rumors of this lens having issues on Nikon bodies in the past on the D7100) and everything checked out. Auto focus is on point.
The reason I'm selling is because I've decided to upgrade to the Nikon 70-200.
Box and all accessories included, lens has had a filter on since day 1, but is not included. More pics for your perusing: http://imgur.com/a/PPSTd
Asking $800 OBO SHIPPED to CONUS only; Local pickup available via Ann Arbor, MI greater area.
If you wish to see other online seller profiles let me know and I can link for you.