Here is the Canon EOS R announcement live

The 1DX2 already can shoot 16 fps in Liveview with AF working ...but not under Servo AF. I've been looking around for a published actual top speed with Liveview burst shooting doing the tracking work and I can't find it at either TDP or Canon proper. (Anyone know?)

Hi just checked the manual, and it says continuous shooting during live view will lock AF and exposure, so on that basis live view can not track but can do 16 frames per second, might have to wait until digic 8,9, or 10 for that to happen :-(
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Canon RF lens specifications

Canon stressed the new mount allows for new high-performance lens designs, not small light lenses. That's probably why there's no compatibility with the EF-M mount which is designed for small/light lenses.

IMHO some smaller and lighter lenses will come, but from a PR perspective, they would have not been the right choice for the launch - imagine the "umpf!" if Canon had announced the camera with a 50/2 and a 28-85/3.5-5.6... even if they were the lightest and smaller lenses ever designed.

Asserting the capability of the new lenses from the beginning was a smart move, even if the first R camera is certainly not the highest-end model, as usual with Canon when a new line is released.

That's my sense also.

Jack
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Opinion: Changing Canon camera lens mounts. How might the RF mount affect you?

Sure we can, Metabones have been developing adapters since many many years with several versions and yet it still not works that well. And as the cameras and lenses get more 'clever' the drawback of an adapted lens from a different manufacturer gets even more severe.

Canon and Nikon are both fine systems with many lenses to choose from and use. Anybody can switch if he/she wants to but in 99% of the time it's not really needed (for instance, if that little difference in dynamic range matters that much to you, why are you still shooting Canon) but people do it, because it's fun. Also great for YT (especially starting it), generating views and arguments in the comments.

Unless it's a specific case (let's say a particular tilt-shift lens or something that still won't perform the same with the other sensor's AA filter thickness) it is money down the drain with lenses that focus and zoom in the complete opposite direction to the other and introducing an adapter (and an expensive one at that or there will be tolerance issues) that at times will just freeze up the camera.
It's totally for people with more money than sense but, in that regard there is a certainly a market for it...In that case with that much money it"s much better to buy Leica M lenses instead as at least they won't have any operational issues and they also also one of those rare lenses that are actually sized well for these cameras, so there is an actual case for them. Even if they don't perform perfectly, it will be probably a bit better than Sony.

Aftermarket lenses like Sigma ART might get converted or adapted with their own adapter the new mirrorless mounts again and you can use those as well, they do want to shift those to whatever systems, if they are able to make them work. That makes sense.

If one is intending to use manual focus for video or photo, than it might also work ok (but again, in this case why choose that camera and deal with this issue instead of the other that has a way better 'official' adapter with ND and it just works at all times, which is kind of important for most people)
I acknowledge your points (don't agree with some but we'll leave it at that) but, IMO they an EF-Z adapter is inevitable regardless. I guess we'll have to see when it happens about how good it is and how much it is. For now off course, Nikon/Canon being usual, are not letting 3rd party have access to the specs so it will take some time before they reverse engineer them anyway.
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EOS R looks interesting

I am a lifelong canon user since my original ae1-program and a current 5D Mark IV user (and M3 owner). I've been observing the developments in the market for the last couple of weeks.. Like most of us Canon users I have had a degree of envy over sensors in the likes of A7riii and D850 but my camera needs to withstand the rigours of sea, salt and rain a lot so kind of rules out the Sony even with the supposed improvements in weather sealing...and Nikon Z seems like a futile attempt to prop up sales for nikon purists which won't succeed in dragging back lost users nor converting any from canon or Sony.

I was hoping Canon would take this challenge seriously rather than an arrogant stance. It appears to me that they have and for what I do that the R is going to be a great option.

My camera spends almost all its life on a tripod... Therefore I don't need IBIS. I switch off IS on the L lenses I own anyway.

I almost always use a remote shutter and live view and the 5DIV has great auto focus even through 6 & sometimes 10 stop nd filters so having better auto focus on the R will mean never having to manually focus in low light. Battery life will be no different on the R to the 5DIV in live view tbh anyway and I have plenty of spare batteries.

When not on a tripod I tend to shoot in slow speed mode and the silent option will be brilliant for candids.

The resolution of 30mp is good enough to be comparable to the 5D and when the Pro body comes out I expect that to be around the 50mp range.

Its smaller and lighter.. Travelling with the 5DIV and lenses is tricky for a lot of airlines and lugging it up hills is tricky for me... If that cuts weight then great - I am not a spring chicken anymore :)

I have never shot video so I have no interest in that.

I assume the dynamic range will at least be as good as the 5DIV and that is plenty for me although better is better :)

I for one will get one on preorder and use it alongside the 5DIV snd see which one gets taken out to play more often then probably get the higher spec one when that is released.

Just my two pence worth

Canon EOS R – First Impressions from Helen Bartlett

"This, the element I found most difficult to get my head around, was the thing that in the end I fell most in love with – there are 5,655 selectable AF positions with touch and drag, that’s incredible to me. Heading out for shoots in recent weeks since I’ve returned the Canon EOS R, I have found myself a little frustrated with the constraints of using the joystick on my Canon EOS 1DX Mark II."

https://www.helenbartlett.co.uk/general/canon-eos-r-first-impressions/

Here’s the full list of gear Canon will announce on September 5

A circular polarizer is a stack of a linear polarizer with a quarter-wave plate behind it, the latter circularizes the linearly-polarized light, which eliminates the problem of linearly-polarized light interacting with a beam splitter where the angle of polarization will affect how much light is passed into each resulting output (on and off-sensor phase AF, but also the dedicated metering sensor in a DSLR, are behind beam splitters).

http://www.bobatkins.com/photography/technical/polarizers.html

Thanks.
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Canon Hong Kong teases the September 5 announcements

Be prepared?! Haha didn’t realize we were in Lion King haha. Seriously this makes me feel much better about my video editing skills and that maybe one day I could work for a big corporation and blow them away with my supah skillz!
Haha. Really bad video, i started laughing so much when i saw it. Well the wait isn't that much since in Japan is 0330.
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EOS R Size Referenced Against Other Cameras

The 77D is an excellent size and weight, so I'm happy that the R is similar. But for me the 77D grip is not comfortable for extended use. I find it painful in the wrist to use it with a flash over a longer time, much more so than a 70D/80D/6D/5D. The 77D really needs an add-on grip to be comfortable, and yet Canon doesn't offer one (some 3rd parties do). Hopefully the new R will have a better grip than the 77D.
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A size comparison between the RF 24-105mm f/4L IS and RF 28-70mm f/2L

A huge lens, just as expected, but really tempting to try this little monster. Seems that the whole package will come without image stabilization since the EOS R has no IBIS according to the latest spec list rumored (maybe later models will offer some IBIS). I personally don't mind much, because this lens will be so heavy that you can rely on its Passive Inertia Stabilization (PIS). Plus, I don't sheik my booty so much when I shoot ;)
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Canon M series price drop??

I have to wonder how the R line of FF cameras will impact the existent M line, especially the market for used ones. Think I will follow M50 body and lenses on Ebay for the next several days and see if any kind of pattern develops on new listings. Of course, we still don't know when the new cameras will start shipping yet. That may be the important influence here.

Lensrentals.com does a teardown of the new Canon EF 70-200mm f/2.8L IS III USM, compares it to version II

This is sad. Why to even bother with Mk. III release?

I wonder, companies like Sigma and Tamron can take their single optical formula and launch it with different mount for 3-4 manufacturers. Could Canon just delay this wonderful release and instead of Mk. III announce it as 70-200 with RF mount by keeping the same optical formula?
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Wide angle lens comparison.

Tonight I did a comparison between 8 different wide angle lenses. The only adjustment I made was for white balance and size. There are no distortion corrections. All lenses were focused manually, so we can expect some margin of error there. The unexpected disappointment was the Vivitar 28mm f/2.5 and it's flair. All the Takumars had a hood. Nothing else had a hood except the two modern Canon L lenses. For colors? They all looked the same to me. Some had some CA. As expected, my Canon L glass gave the best results... but it should. There was a little flair with the Canon EF 24-70mm f/2.8L II at 28mm, but that is due to the way the light on the wall is right at the edge of the frame. The take away from this is that most all lenses are sharp in the center at f/8. Not a surprise. Also, without interference from bright sunlight, they all do well color and flair wise. I would imagine a hood on the Vivitar would take care of the problem. Keep in mind that these are 30 second exposures at night, so don't get too excited about the vintage lens results looking so good against the modern Canon lenses. Daylight reveals much higher variation. Much higher. I will conduct the same test in harsh sunlight in a few days. I predict drastically different results. I'll make sure every lens is has a hood for that test. If you are not using hoods, I recommend that you do. Full resolution photos are found here: https://www.flickr.com/photos/135571631@N08/?

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