Sigma 5-500mm or Tamron 150-600mm,...on a77ii, Questions

[Birddog]

Hello Folks,

I'm hoping for some feedback on "Long Zoom" lenses from actual users. My head has been spinning with all the options available, Sony, Tamron, Sigma, Used, New, OS, non OS, etc. After tentatively deciding on either the Sigma 50-500mm or the Tamron 150-600mm, I discovered neither lens was offered for Pentax K mount, my current system. That wasn't exactly bad news. I enjoy my Pentax cameras, but have a strong preference for EVF and welcomed the chance to buy another Sony.

I once had the a77 and don't recall why I sold it. I loved the camera and got great results. I guess I just wanted something new?

Well, I've ordered an a77ii and it will arrive Wednesday, with the 18-135mm and 55-3oomm lenses. I'm looking forward to enjoying my new camera while I make a final decision on which long zoom to buy. We have a trip planned for late May through Teton and Yellowstone Parks, so that's my time frame to buy the new lens.

I strongly value user opinions over professional reviews and spec sheets.

Any advice or comments will be really appreciated!

Thanks!

Jack