How effective is R6's IBIS with EF Lenses?

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

Of course, it is very effective, maybe you can shoot at 1/4s with the 85mm, but be aware there’s a bug in the firmware when ibis is set to always on and using non stabilised lenses.

juanmaasecas wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

Of course, it is very effective, maybe you can shoot at 1/4s with the 85mm, but be aware there’s a bug in the firmware when ibis is set to always on and using non stabilised lenses.

Thanks for the headsup

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

I have an R5 and a 135/2L. It works great with the IBIS on. In fact, I haven't noticed any problems with IBIS using any EF lens.

Interesting comments on IBIS w/EF.

For those that have IBIS (I have an EOS R), it's my understanding that the combination lens IS + IBIS is optimized for RF lenses (they have additional data contacts).

Any experience of RF vs EF on lens IS + IBIS differences ?

John Sheehy wrote:

bodeswell wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

I have an R5 and a 135/2L. It works great with the IBIS on. In fact, I haven't noticed any problems with IBIS using any EF lens.

What are your expectations?

My comments are based on the fact that with the same shutter speed, I seem to get a higher percentage of pixel-stable images with my 90D than with my R5, with the same EF IS lens, when calmly shooting a static, detailed object, despite the 90D's smaller pixels causing more magnification at 100% pixel view. If I had not achieved that level of stability with the 90D, I might not think that anything is wrong, but added IBIS (X/Y and roll) seems to be subtracting stability, not adding any, in about half of images.

Now, what IBIS promises is to meet "CIPA" standards, which are very, very lax at the pixel level, corresponding to the stability seen in a postcard viewed at 450mm. So, unfortunately, IBIS can actually cause a loss of microstability while still achieving the CIPA standard.

My expectations are that IBIS will allow me to use my un-stabilized EF lenses at lower shutter speeds than I would be able to use them satisfactorily otherwise. My experience is that my expectations are met when I compare using my 135/2L on my R5 as opposed to my 90D. But it seems to be well known that different people have different experiences with IS/IBIS, not to mention different ideas of what makes a difference, so I am not questioning your experience. My experience is that R5 IBIS does what I expect it to do when I use an un-stabilized EF lens. To the OP's question, I believe the R6 would turn in a similar performance but I have not tried it myself.

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

I have less interest in video than still pictures but the R6 is a decent camera for video because it produces superior 4K/60 and 4K/30 compared to the same settings on the EOS R5.  In addistion, it apparently produces the same quality with 4K/60 HQ settings as the R5.  So unless slowmo or 8K is essential, the R6 video holds up just fine.   Your EF 135mm f/2 lens works real nice on the EOS R6.  Some images directly below of this combo...
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EOS 135mm f/2 USM lens on the EOS R6

Autofocus is fairly remarkable with this combination.

Eye-Detect AF (sent to "Animal Priority") works just fine as well with this lens.

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Some RF lenses with NO Optical Image Stabilizer (OIS) inside the lens (eg RF 85mm f/1.2L USM) get the whole 8-Stops of Image Stabilization from the IBIS mechanism.  EF lenses will also benefit although the EF lenses benefit to a lesser degree.
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But EF lenses like the EF 100-400mmL II lens get to combine their existing OIS with the IBIS mechanism inside the camera to get more/better stabilization than the lens alone can offer.  I managed to shoot at 1/40 sec with the EF 100mm L Macro lens although I was keeping quite steady when I took the shot.  I've shot at 1/4 sec with the RF 85mmL lens which has no OIS.  The EF 24mmL, EF 50mmL and the EF 135mmL lenses also performed better than expected on the EOS R6.  But if you want to know exactly how much stabilization you get with these non-stabilized lenses on the R6, I don't have immediate answers on hand so you might need to do some research online or send an email to Canon.
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Just a pleasantly sharp image with the lens pointed down... which should have impacted the ability for both OIS and IBIS to function properly.

EOS R6 - 1/30 sec with the EF 100mm f/2.8L Macro lens

EOS R6 - 1/40 sec from the EF 100mm f/2.8L Macro lens

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I was impressed with the added IBIS effect on the EF lenses I've used although most of the time you don't notice it unless you're thinking about it at the time.  Now I took a shot last Thursday of a Tiger at the zoo using the EOS R6 + EF 100-400mmL II + EF 1.4x III Extender and out of 10 shots, one was slightly blurred.  But in retrospect, this was the last picture in the set, the animal was moving and I was shooting at 200mm whilst physically moving myself to re-frame the shot.  It was my error although quite a lot was happening at the time and I was pressing two buttons repeatedly and simultaneously to get the Eye-Detect AF to ignore the stripes and find the Tiger's eyes.  Some people would look at this very-slightly burred image (it's only visible if you enlarge the picture) and be highly critical of the results.  Others would find it completely acceptable. All the other pictures in the set were otherwise very sharp indeed.
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Most of the time you will be watching your shutter speeds to keep them within a safe range.  But it's nice to know that the IBIS mechanism will apply something of a safety measure to allow slower shutter speeds.  Personally, I'm more concerned about the potential for Shutter Shock with lower shutter speeds.  With the EOS R6 it's said to be a possibility with images taken under 1/160 sec and with the EOS R5 it's said to be likely with images taken at 1/250 sec or under.  I haven't noticed any issues with the R6 at lower speeds though.  And the sensitivity with higher ISO settings with less noise ensures it's easy to keep at a decent shutter speed.
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A motivating reason to be considering using an R6 over the original EOS R would be the more advanced Auto Focus with Eye-Detect.  It's remarkable and very useful for portrait shooting.  Another reason would be the better lowlight performance (-6.5EV compared to -3EV) with less noise at higher ISO settings... although my EOS ra (which is a Canon-modified EOS R) also has decent low-noise performance so I'm assuming the R is much the same.

I've had my R5 since March, and I'm still on the fence as to whether my EF, stabilized lenses are producing as sharp images as when I was using those very same lenses on my (non-IBIS) 5DM3.  At this time I still only have EF lenses - both stabilized and non-stabilized - and  I am yet to shoot any pix on my R5 that rival for sharpness the sharpest pictures taken on my 5DM3.  It's starting to concern me, though this issue may or may not have anything to do with the R5's IBIS.  I just don't know.

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

From my point of view, it's amazing. I shot with a Sigma 35mm Art (EF mount, no IS) using IBIS only, 1/6 sec hand held. Needless to say I would never have attempted that with my 5D4.

Johnbro wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

From my point of view, it's amazing. I shot with a Sigma 35mm Art (EF mount, no IS) using IBIS only, 1/6 sec hand held. Needless to say I would never have attempted that with my 5D4.

Why people only look at the Center? Your edges are blurred.

juanmaasecas wrote:

Johnbro wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

From my point of view, it's amazing. I shot with a Sigma 35mm Art (EF mount, no IS) using IBIS only, 1/6 sec hand held. Needless to say I would never have attempted that with my 5D4.

Why people only look at the Center? Your edges are blurred.

What does your comment have to do with the effectiveness of R5/6 IBIS on this hand held shot?

And what difference does it make if the edges are "blurred"? Why would the image be better if they were "sharp"? Also, they aren't even all that blurry, considering that some of the greenery was undoubtedly in motion just like the water. The point, I take it, was the effect of the slow shutter on the water. And the water isn't really centered.

Not saying that this shot belongs in MOMA, but it makes the poster's point adequately.

bodeswell wrote:

juanmaasecas wrote:

Johnbro wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

From my point of view, it's amazing. I shot with a Sigma 35mm Art (EF mount, no IS) using IBIS only, 1/6 sec hand held. Needless to say I would never have attempted that with my 5D4.

Why people only look at the Center? Your edges are blurred.

What does your comment have to do with the effectiveness of R5/6 IBIS on this hand held shot?

And what difference does it make if the edges are "blurred"? Why would the image be better if they were "sharp"? Also, they aren't even all that blurry, considering that some of the greenery was undoubtedly in motion just like the water. The point, I take it, was the effect of the slow shutter on the water. And the water isn't really centered.

Not saying that this shot belongs in MOMA, but it makes the poster's point adequately.

Of course it has to do. You can’t be talking about ibis effectiveness and be looking only at the middle. In a landscape style like this, sharpness at the edges is important. And he is using a very sharp lens capable of delivering the sharpness, but then the image is not as sharp as it should. 
of course it’s not intended to be a picture for MOMA or whatever, but ibis is just not as good as the current state because it has some bugs. I found out an important bug and it seems Canon us working to fix it.

Kumsa wrote:

Interesting comments on IBIS w/EF.

For those that have IBIS (I have an EOS R), it's my understanding that the combination lens IS + IBIS is optimized for RF lenses (they have additional data contacts).

Any experience of RF vs EF on lens IS + IBIS differences ?

My experinece with IBIS+Lens IS :

R5+RF800 vs R5+EF100-400mk2

R5 +RF800 is way better . ..and even more so in video

(handheld when filming in cropmode fl=1280mm is not a problem I'm impressed)

juanmaasecas wrote:

bodeswell wrote:

juanmaasecas wrote:

Johnbro wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

From my point of view, it's amazing. I shot with a Sigma 35mm Art (EF mount, no IS) using IBIS only, 1/6 sec hand held. Needless to say I would never have attempted that with my 5D4.

Why people only look at the Center? Your edges are blurred.

What does your comment have to do with the effectiveness of R5/6 IBIS on this hand held shot?

And what difference does it make if the edges are "blurred"? Why would the image be better if they were "sharp"? Also, they aren't even all that blurry, considering that some of the greenery was undoubtedly in motion just like the water. The point, I take it, was the effect of the slow shutter on the water. And the water isn't really centered.

Not saying that this shot belongs in MOMA, but it makes the poster's point adequately.

Of course it has to do. You can’t be talking about ibis effectiveness and be looking only at the middle. In a landscape style like this, sharpness at the edges is important. And he is using a very sharp lens capable of delivering the sharpness, but then the image is not as sharp as it should.
of course it’s not intended to be a picture for MOMA or whatever, but ibis is just not as good as the current state because it has some bugs. I found out an important bug and it seems Canon us working to fix it.

You assert that there is some problem in Canon's implementation of IBIS - and there may be - but I, and I think the poster, are just saying that the IBIS still already enables capturing shots with an R5/6 that we, anyway, don't think we would get with a non-IBIS body. The positions are not contradictory.

On the other hand, I do take issue with your insistence that there is something "wrong " with the edges. First, the poster apparently does not think so and neither do I. Second, there is some motion blur at the edges, but no implementation of IBIS would fix that. Third, I don't think this shot is intended as a formal landscape with edge to edge sharpness. For that I believe one would need a tripod, a faster shutter speed, and a neutral density filter. This is a hand held shot.

juanmaasecas wrote:

bodeswell wrote:

juanmaasecas wrote:

Johnbro wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

From my point of view, it's amazing. I shot with a Sigma 35mm Art (EF mount, no IS) using IBIS only, 1/6 sec hand held. Needless to say I would never have attempted that with my 5D4.

Why people only look at the Center? Your edges are blurred.

What does your comment have to do with the effectiveness of R5/6 IBIS on this hand held shot?

And what difference does it make if the edges are "blurred"? Why would the image be better if they were "sharp"? Also, they aren't even all that blurry, considering that some of the greenery was undoubtedly in motion just like the water. The point, I take it, was the effect of the slow shutter on the water. And the water isn't really centered.

Not saying that this shot belongs in MOMA, but it makes the poster's point adequately.

Of course it has to do. You can’t be talking about ibis effectiveness and be looking only at the middle. In a landscape style like this, sharpness at the edges is important. And he is using a very sharp lens capable of delivering the sharpness, but then the image is not as sharp as it should.
of course it’s not intended to be a picture for MOMA or whatever, but ibis is just not as good as the current state because it has some bugs. I found out an important bug and it seems Canon us working to fix it.

You know what? You're absolutely right. Anybody who thinks they are going to get a poster-sized print handholding at 1/6 second is headed for disappointment. I was just trying to show that the IBIS works really well for non-IS EF-mount lenses.

Bear in mind also that this is shot at f/3.5, so not much DOF, which means that the corners might be out of focus due to aperture, not IBIS. Me, I was just checking out a local park I'd never been to and thought it would be fun to try to smooth the waterfall with a slow shutter speed. Normally I wouldn't dream of trying this without a tripod, but it seemed like maybe IBIS could be helpful. I think the result exceeded my expectations.

Maybe Canon's IBIS in the R6 is flawed, or not as good as Sony, Fuji, etc, I don't know. This is my first mirrorless camera with IBIS. But WTH for a snapshot like this I think it's amazing, given I'm coming from DSLRs that can't do anything like this, even with in-lens IS.

Johnbro wrote:

juanmaasecas wrote:

bodeswell wrote:

juanmaasecas wrote:

Johnbro wrote:

ArtHeals wrote:

I use a couple of Canon EF portrait lenses (135/2L & 85/1.8 USM) with EOS R and I don't have any major problems as i keep the shutter speed around 1/200 most of the time. But I was wondering how effective is the IBIS on R6 with these EF lenses. Is it still 5-axis with EF lenses or downgrades to 3-axis?

Some used R6's are popping up here and there and I am contemplating if its going to benefit my STILL images in any way - (No interest in video)?

Thanks in advance

From my point of view, it's amazing. I shot with a Sigma 35mm Art (EF mount, no IS) using IBIS only, 1/6 sec hand held. Needless to say I would never have attempted that with my 5D4.

Why people only look at the Center? Your edges are blurred.

What does your comment have to do with the effectiveness of R5/6 IBIS on this hand held shot?

And what difference does it make if the edges are "blurred"? Why would the image be better if they were "sharp"? Also, they aren't even all that blurry, considering that some of the greenery was undoubtedly in motion just like the water. The point, I take it, was the effect of the slow shutter on the water. And the water isn't really centered.

Not saying that this shot belongs in MOMA, but it makes the poster's point adequately.

Of course it has to do. You can’t be talking about ibis effectiveness and be looking only at the middle. In a landscape style like this, sharpness at the edges is important. And he is using a very sharp lens capable of delivering the sharpness, but then the image is not as sharp as it should.
of course it’s not intended to be a picture for MOMA or whatever, but ibis is just not as good as the current state because it has some bugs. I found out an important bug and it seems Canon us working to fix it.

You know what? You're absolutely right. Anybody who thinks they are going to get a poster-sized print handholding at 1/6 second is headed for disappointment. I was just trying to show that the IBIS works really well for non-IS EF-mount lenses.

Bear in mind also that this is shot at f/3.5, so not much DOF, which means that the corners might be out of focus due to aperture, not IBIS. Me, I was just checking out a local park I'd never been to and thought it would be fun to try to smooth the waterfall with a slow shutter speed. Normally I wouldn't dream of trying this without a tripod, but it seemed like maybe IBIS could be helpful. I think the result exceeded my expectations.

Maybe Canon's IBIS in the R6 is flawed, or not as good as Sony, Fuji, etc, I don't know. This is my first mirrorless camera with IBIS. But WTH for a snapshot like this I think it's amazing, given I'm coming from DSLRs that can't do anything like this, even with in-lens IS.

Canon ibis is around 2 stops better than Sony. 
But there is a bug and yes the Center can be sharp and edges be blurred because if the bug. With a bit of care and knowing about the bug and how to set the camera not to encounter the bug (setting ibis to only for shot instead of always on), you can get a better result still. I can get pin sharp pictures at even slower than 1/6s at 35mm.