Good advice, thanks! I was actually going out put the 28-300mm on the D7000 and buy a new 14-24 wide angle to mount on the D750. But several of the hogs have recommended that Tamron 600mm beast and it sounds like an awesome lens. I'm going to head for our local camera store soon to check it out.

Thanks again for the great responses! I will check out the Camera Cottage for something to help with stabilization - the sandbag also sounds like a great idea. I doubt we're outside of a vehicle - I expect something like a Land Rover, but wanted to have two cameras to avoid changing lenses out in the open, but also (more importantly) not to miss a shot!

Thanks for all the nice welcome messages! I'm already a big fan of MT Shooter and have taken his advice many times over already. Appreciate the info from everyone!

Thanks for the info! I guess I didn't do enough research before asking the question! I've seen a lot of good press on the Tamron 150-600 - I'll go take a look at it. I'm concerned about how heavy it might be, but if it's better image quality, maybe I can just rent it for that trip.

Good morning! I’m a big fan of the UHH site and have learned a ton of useful information here. I’m also quite pleased to see so many other people with chronic GAS – glad to know I’m not the only one!

This is my first post, and I have a question regarding image quality when comparing a cropped-sensor D7000 vs. a full frame sensor D750 using a teleconverter.

I currently shoot with a Nikon D7000 and am getting ready to upgrade to the D750, including purchasing better quality glass. I use the 18-300mm lens on the D7000 as my walk around lens, and I will be purchasing the 28-300mm lens for the D750 as a replacement.

I’m planning a trip to Africa in the next year or so, and want as much “zoom” as possible as I expect to take several photo safaris and want some good close-up images of the animals. I don’t expect to blow anything up more than 16 x 24 at the largest.

So here’s the question: What do you think will provide better image quality: The D7000 with the 18-300mm lens (equivalent to roughly 500mm), or the D750 with the 28-300mm lens plus a 1.5 or 2x teleconverter to get more reach?

I should also say that I’m planning to take two cameras – one with a wide angle lens attached and a second with the 300mm lens attached. I’ll definitely use the D750 for the wide angle setup. For the 300mm setup, I’ll either keep the D7000 and use it with the 18-300mm lens or purchase another full frame camera (maybe the D610 or another D750) and attach a teleconverter to get the added zoom.

Or is there a better way to accomplish this? Or am I overthinking the whole setup? Thanks in advance for any ideas / thoughts /suggestions!

The entire Topaz suite is terrific. I've used it for the past year, and there isn't much you can't do with it.