robertjerl Loc: Corona, California

You just missed it on sale for $999 body only.

Of the others you listed the T6s has a newer upgraded sensor and a version of the old 7D's AF so it does better than the older APS-C models on IQ and pretty good on AF for action/sports/birds. The 7DII has the most features and esp AF. But the 6D does outstanding work in dim light. And with practice and the right "tricks" it can even do BIF and action with a fair keeper rate after you get the techniques down pat.

rgrenaderphoto Loc: Hollywood, CA

You could get a Sony A7 mirrorless and a set of lens adapters:

http://briansmith.com/gear/sony-lens-adapters/

mcmm Loc: Kansas

I have drooled over the A7 cameras but can't quite swallow the price at this point in time. Maybe in the future!

CHG_CANON Loc: the Windy City

OK - I'll rain on the idea ... Your T3i sports a 22MP sensor and a DIGIC-4 processor. You're not going to see obvious changes in cameras just one generation up (6D or 70D). Yes, both these cameras will perform better in lower light, but you already have fast lenses and the low light performance is not going to be that much better. What a 7DII will do for you is shoot a lot faster in frames per second as well as a provide a rugged water resistant body. The 7DII also is going to provide Canon's cutting edge autofocus what will leverage these fast lenses, excluding the 50 f/1.2 where the motor in this lens is not 'sports' ready.

You should consider renting a body for comparison rather than just letting UHH suggest how to spend your money rather than theirs ... You might confirm the differences you expect or maybe show your current camera meets your needs. There's multiple places. I use LensRentals.com frequently.

You might also look at other lenses. The 50 and the 24-70 overlap. Both are great with the 50 providing some specialization. But, if you're not really using this lens, it could offset the price of the new 100-400L that will give you reach on any sized sports field in all situations except the lowest light when you can change to the 70-200.

robertjerl Loc: Corona, California

T3i is 18MP. Basically the same sensor with variations and updates from T2i to the T5i and even the 7D. It was the bells and whistles, processor, AF and the like that was changed the most.

And the 50 mm is f/1.2, much better in low light than the 24-70 and more resolution. So they may overlap in mm, but they don't take each other's place.

LFingar Loc: Claverack, NY

I would suggest that you narrow your choice to the 6D or 7DII. Both are about the same price. I have both. Both do an excellent job with the 7DII better for action shots and the 6D my choice for landscapes, scenery, portraits, etc. The 6D is far better in low light/high ISO situations while the 7DII has the more capable autofocus. You can shoot in low light with the 7DII and shoot action with the 6D, but neither camera will be at it's best. As far as learning to use a full frame, the 6D is not a problem. Not much really changes from your T3i. I had one, then went to the 70D, then to the 6D, and finally added the 7DII. The 7DII had the biggest learning curve. The 7DII, with it's more advanced focus system will require study and practice to get the best out of it.

mcmm Loc: Kansas

You all have given me good information to think about. I appreciate all your knowledge on this site and plan to continue learning from each and every one of you!

I wish you all a wonderful and safe New Year. I am so blessed!!!!

phlash46 Loc: Westchester County, New York

I was a Nikon shooter until age and camera weight got to me. I know nothing about canon, but, like Nikon, there is a world of difference between the look of a FF shot and a cropped. Plus you get shallower DOF and wide is really wide!

georgevedwards Loc: Essex, Maryland.

My experience is go for the megapixels first (I have been a visual artist for 45 years and I don't care what they say, since I got the first 5 megapixel camera, Canon D60, back around 2001, that has proven to me to best indicator for image quality, if you take pictures of people it means you can can crop out surrounding areas and still have a good picture, it also means a sharper picture, in my search for "the sharp focus" ), then get the most expensive camera you can afford that meets that criterion. With Canon and Nikon, that almost always means more features to make you photography easier. However, too many features may only confuse you, it depends on how serious you take your photography. Today the parameter is 24 megapixels. There may be other features that are important for your own particular preferences, for instance, do you like HDR-maybe you want more than 3 exposures for automatic bracketing. My camera has an articulated viewing screen that flips around, to me that is the second most important feature. It has made my photography twice as easy, especially for difficult angles and viewpoints. You can view your subject from a distance and hold your camera at angles that are even impossible for you to get your eye to the optical viewfinder. However, many more expensive cameras do not have the articulated screen or more megapixels, so for me they need something else, like lowest noise at low light levels, for instance, a constant problem with digital cameras, the proverbial elephant in the room no one talks about. Your particular needs may be different.

MTG44 Loc: Corryton, Tennessee

Have had the 7D11 for a few months and find it very versatile. You should love it.

Anandnra Loc: Tennessee

7D2

bigwolf40 Loc: Effort, Pa.

If you go with the 7D markII for your sports then think about the Tamron 10-24mm lens for wide angle landscapes. With your other lenses you will have a pretty darn good all around camera combination....Rich

MCoomber Loc: Hamilton ontario

Having the same issue. I am strongly looking at the sonny cameras as the full frame models are much less than that of Canon. All you need isa good adapter. I know that there well be many UUGers saw that I am crazy but I also use many legacy lenses (Nikkor) and will eaglet oust these as well with a Sony.

suntouched Loc: Sierra Vista AZ

Too funny!

Newsbob Loc: SF Bay Area

Stay away from the Sony line. You don't want to deal with adapters. Stick with one of the Canon cameras.

And don't forget to upgrade your Lightroom to either the standalone version 6 or the subscription based CC version.