That's kind of what i was thinking, but hoping maybe someone out there has "tried it". Not that it matters. I know the lenses will work on the R6.

The 24-70 pretty much lives on the 6DII. Back when we could travel, shot a lot of landscape with it, and here locally a lot of sunsets.

The 150-600 is on the 90D almost all of the time, and sits by the back door. I'm still working on figuring out that setup.

Probably because I haven't just dedicated a couple of walks with it, but I don't find I use the 70-200 that much.

Kind of leaning toward the 24-105 F/4 L to start with, and next either the 35 f/1.8 macro or the 85 f/2.

After I see if/how the R6 works with the 150-600, one of those long f/11 primes may be in the works. And of course a 50mm prime.

I'm tempted by the R5, but hard to justify all of the other associated cost...

Thanks for the reply

Have searched a bit both here and internet in general, and not finding a definitive answer.

Have the EF versions of the Tamron 24-70 f2.8 G2, 70-200 f2.8 G2, the 150-600 G2 and a 35mm (f1.8?) prime (along with a few other non-L Canon lenses). When I can get things right, they all produce pretty decent photos on the bodies I have.

Tamron indicates they function on the R & RP, but I haven't been able to find anything about compatibility with the R5/R6. Wondering if they will function (together) with the IBIS. Or if the lens stabilisation will just need to be turned off. And if the body IBIS will work with the lens IS turned off with 3rd party lenses.

Anyone had any experience or knowledge on this that you could share?

About to pull the trigger on an R6. Won't be a factor in ordering the body, but may influence what my first RF-"L" lens will be...

Thanks.

Went back through what I got. Have a couple that he isn't moving and has his wings out and folded forward a bit, but none folded over his head like that.

That's a cool shot...

Have just taken up an interest in bird photography. Was on Little Cayman a couple of weekends ago, and had a chance to spend quite some time observing some wading birds. The sequence below was a single burst from a Canon 90D, so over a couple of seconds. It wasn't a flight takeoff. I watched it do this several times in several different areas to the pond. I also observed the behavior in other waders, specifically what I think was a tricolored Heron in the same pond.

Obviously it has something to do with it's prey, but I could never figure it out. Couldn't tell if it was trying to "herd" it, or casting a shadow for better visibility through the glare. Don't recall, and don't have any captures, of it actually sticking its head in the water to get anything, but that may just be my timing with my eye in the viewfinder. Either way, it was quite interesting to watch.

Anybody able to provide insight on it?

These were processed just enough to get a jpeg from the raw to post...

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Sorry for the slow reply...we were a bit preoccupied with weather today.

But many thanks to all who viewed and commented.

Had a great time taking the photos. Took many that will just end up deleted, but happy with several. Was a great learning experience.

Have a few more sets I'm working on and will post when I can.

All the best and stay safe and healthy wherever you may be in the world...

Still can't take a commercial flight anywhere but the Sister Islands without a 14 day quarantine, so we took a long weekend and went over for a couple of days to Little Cayman. It's very small. Less than 100 people live there full time. I was super excited for an opportunity to shoot a good population of birds

One of the last mostly undisturbed reef structures in the world, and unquestionably in the Caribbean, it's also home to the largest colony of Red Footed Boobies in the Atlantic basin. There is also a pretty substantial population of Magnificent Frigate birds. This article provides some insight as to why...

https://www.caymancompass.com/2007/10/17/red-footed-boobies-of-little-cayman/

There's also a pretty good population of multiple species of Herons, Egrets, West Indian Whistling ducks and other water wading waterfowl, and an indigenous Rock Iguana. Will make another post of those when I get them sorted and cleaned up.

Below images all taken with a Canon 90D and a Tamron 150-600 G2. I think all handheld except the heron, that was on a monopod. Couple of them are heavily cropped at 600mm and pretty high ISO, so download isn't the best. First real foray of any substance with this setup, so still learning both the equipment and the genre. For some reason, I really struggle with the Frigates. I find it hard to get much detail. I'm guessing the severe backlighting contribute to that, but they're hard to get in any situation except "up".

Comments and constructive criticism always welcome.

Thanks for looking

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600mm, heavy crop

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I have one of these for Canon. Don't know if you know, or have the console to do it, but these have an internal calibration ability. Total PITA to do. I did it for my Tamron 24-70 that pretty much lives on a 6DmkII, but honestly haven't used the 150-600 enough yet because I just got a 90D to wed to it, and still learning the camera before I mess with trying to calibrate the lens. The 150-600 will likely be on that body 98% of the time, sitting by the backdoor. I'm not good enough yet to get good shots of BIF, but mine seems to do pretty well when the target isn't moving faster than I'm capable of capturing.

Maybe the previous owner tweaked the lens internally, and just needs to be hooked up to do a reset back to the factory defaults? Might ask B&H if they did that check.

There's a local drink called a Cayman Sunset. If it's poured correctly, the Grenadine goes to the bottom, the OJ is in the middle, and the top is diluted ice...on the right night...not far from the real thing.

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Thanks for looking. Has been a bit of a challenge lately.

Thanks for looking

VERY quiet. Airport is still closed to "normal" traffic. No cruise ships since early March, none expected in the foreseeable future. We went through a harsh lockdown for about 8 weeks, but we're pretty much back to "normal", except for the lack of tourists. No mask mandate. Most of the businesses have even pulled up the 6 ft stickers on the floors. Only cases we've had for months are people coming back for whatever reason. And they have to go into mandatory government quarantine for 14 days and have two negative test before they are released...

We're pretty sterile here. There's good and bad for that...no exposure to the normal stuff that helps build resistance to the common cold and similar. That's actually a concern for us with regard to travelling when we can do it again.

Unquestionably, we're very fortunate here. But damn, it's also very strange.

Getting a little stir crazy not being able to travel, but on the flip side, probably one of the safest places to be right now...we count our blessings every day in that regard.

Went for a beer...

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"Normally", hard to find a seat...

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I generally do try to keep the ISO as low as possible. Just going to take me some time to figure out what works in various situations with wildlife...mountains, beaches, deserts and their related flora don't tend to move very fast...

I may need to check out an alternative PP package and see what kind of difference it makes.

Thanks for the feedback

Those two shots are actually part of a 10-15 shot burst...that was one of the big surprises for me with this camera. It rips them off pretty quick. When I "squeeze" the shutter release like I was shooting a firearm, it takes 3-4 before I can get my finger off it. Lot to learn!

Actually, last night I woke up wondering if the PP software I use (or more likely the way I'm applying settings) was contributing to things at all...so this morning I opened the raw file in Canon's DPP and did a jpeg export with absolutely no adjustments. Haven't had a chance to put them side by side, but on first look, this looks a little cleaner with no adjustments than the one I posted originally. It was done with ON1. Guess next thing is do a straight export out of ON1 with no adjustments to figure out if it's the software or me...

Guessing it's probably going to be me...

Thanks

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It was shot in raw. Hardly ever shoot in jpeg unless I know for sure I'm going to just provide them to something/someone without any concern or need for correction.

This was pretty much the first "outing" with the camera/lens combo. I had an older "consumer" crop sensor.
Was not happy with the quality, so bought a full frame a couple of years ago, and I shoot mostly landscape with it. So, it's on a tripod with a wide angle lens a lot of time. Frequently with ND filters on it for longer exposure.

So this was a bit of a change in a lot of ways, but I have an interest in developing my skills for wildlife/nature.

Took the camera last weekend to a bird sanctuary we have. Used the 90D with a 70-200 F2.8 G2. Lot of shade and in closed areas with a roof, and another hazy day in general. Tis the season for that for us.

Tried the larger aperture and slower shutter speed, and think I ended up over compensating because got rid of a lot of the noise, but even with the lens IS, ended up with some softness, and I'm sure it's from shake.
Will take your comments under advisement and see how things go on the next outing.

Practice, practice, practice...

Thanks for the reply.