R7 Firmware v1.6.0 IBIS bug.

[Pippers]

I have found a bug in the R7 firmware v1.2.0 through 1.6.0

With manual lenses that have no communication, the IBIS Image Stabilization is not working as expected. It is not using the correct "Focal Length" value that is inputed. IBIS is enabled, but it is ignoring the value that is set when turning the camera on. You can temporally fix this turning IS OFF, and then focusing with half press, then turning IS back ON. The R7 IBIS then behaves normally with the correct "Focal Length" value. When the camera is turned off, or goes to sleep it breaks again. This behaviour is best witnessed by using the 10x zoom through the viewfinder. You will see the effect of IBIS with IS ON as-is with incorrect value interpreted (Slight shake correction), with IS OFF (No shake correction), and finally with IS ON with correct value interpreted(Fantastic shake correction).

[Ronomy]

The reason its a bug is because the camera is designed to allow you to set the focal length in the IS menu in the camera.  When the camera is turned on and doesnt see a lens it reverts to the saved settings in the IS menu that you would see unless you own an all manual lens.  That's why you cant see what we are talking about.  Its all in the R7 manual.  If we install a different focal length all manual lens then yes we have to change the focal length in the IS menu.  These lenses don't have any electrical contacts.  Just like if you use the camera with a telescope or spotting scope tube assembly... The camera will need to be told what the focal length is. 

[Waddizzle]

“Which choice should it make?”

” If we install a different focal length all manual lens then yes we have to change the focal length in the IS menu.  These lenses don't have any electrical contacts.  Just like if you use the camera with a telescope or spotting scope tube assembly... The camera will need to be told what the focal length is..”

Exactly.  The camera must assume that the lens has been changed.  So, it forces you to re-enter the settings.  I know that is not always the most convenient behavior for your scenario.  But it is the lesser of two evils.  It’s better than using the incorrect setting because you forgot to reset it for a different lens.  

[Ronomy]

But all the camera has to do is read the previous setting that is still there.  The camera will go look for any lens that has connections to see what focal length its set too so when no connections it should default to the settings saved in the menu.   Besides... The first picture it uses the settings that are in the menu but then clears it... Until you revisit the menu and resave it or toggle ibis off and on again.  Thats silly... 

[March411]

I've been following this thread and it seems logical that it is a bug. The R7 should be saving the current setting as long as manual lens is mounted, if you change the lens and don't update the setting the failure is on the user, that said the firmware is failing to save the settings @ power down or sleep. Add a lens that communicates and the settings update. After reading the manual that is the way Canon states the R7 should function.

If someone really wants to get resolution they should pick up the phone and talk to Canon tech support directly, Email simply will not work. The support/tech group on the phone are a pretty solid team, I've always had success including them assisting with 3rd party gear.

The shortest path to getting resolution would be to call Canon @ 800-385-2155 or 800-652-2666. 

And for what it's worth, great thread, plenty of details. I hope you folks can get resolution.

[Waddizzle]

As I noted above, there are two ways to look at it.  Retain the previous settings or force the user to verify the settings. It’s a choice between the lesser of two evils. 

Most members on the thread favor retaining the settings.  This is the convenient choice.  I favor forcing the user to verify their settings.  If it retained the settings, we would probably have a thread calling the behavior a bug. 

Personally, I cannot think of any scenario where I would need IBIS with a manual focus lens. Far more times than not, I would be using a tripod and all image stabilization should be disabled, anyway.

Even if I were hand holding the camera, I still wouldn’t use any image stabilization.  I would use fast shutter speeds.  

[Ronomy]

I see it from your side too but if that were the case.  Clear the focal length setting on power down.  Dont leave it aet to a focal length in the menu...  Plus when the camera goes to sleep because you had a short conversation or were setting up a shot and the camera went to sleep... Then you have to go back to the menus everytime that happens.   See what I am saying?  And with ibis and IS that allows people to shoot without a tripod.  What if i were hiking and i turn the camera on and off several times while hiking?  Nobody wants to have to visit the menu to resetup focal length everytime you turn the camera on.   It should be an if/then senario in software.  If camera has electrical connection then find Focal length from lens.  If no connection then default to the setting in the IS menu. 

[johnrmoyer]

I often use IBIS with manual focus to get a lower shutter speed

[Ronomy]

Also you cant just reset the focal length or toggle the ibis off and on.  You have to take one picture and then reset the focal length or toggle off and back on.  That's ridiculous!  So its a bug for sure based on having to take a picture and then reset ibis for it to stick... Until the camera goes to sleep a few minutes later.   Yikes! 😜

[March411]

I get the thought process Waddizzle but think about macro and stacking. I am using this function in camera all the time. It would be almost impossible with a manual lens. And when the winds are high (I'm in Chicago) I do leave the IBIS on when shooting macro and stacking even when the body is mounted on a tripod. 

You would obviously have to focus manually, in camera focus bracketing would not be an option. That being said, having to reset the settings would effectively create so much movement that achieving a clean stack would become a real challenge.

Stacking off a tripod when it's windy sometimes shifts my images (equipment) creating a fairly decent crop because of movement. Could you image having to reset the camera lenses in menu on a 25 image bracket.

I rarely shoot with Manual lenses but if I did I think that the system should maintain the settings of a manual lens until the user updates them or the system updates the settings when a lens is mounted that communicates with the body. If they, the user changes to another manual lenses and forgets the process flow, that their issue and it's on them, they know the rules, the body doesn't recognize the new manual lens, they failed. But having to go into menu after every frame, that seems like a bug and a poor process to me.