The M6ii shutter shock thread

Just as in the DPreview forum, I'm already reading some posts here about shutter shock, people talking about it as if it's a well-established issue with the M6ii camera, and even warning people off the camera as this being an established fact.

I've been shooting with the M6ii for well over two years now, and shoot nearly daily with 2 of the 3 M6ii bodies I now own. I do sometimes shoot mechanical shutter with the EF-M 11-22mm, EF-M 15-45, EF-M 18-55, EF-M 18-150, EF-M 55-200, EF-S 55-250 IS STM (with and without a 1.5x TC), and Sigma 150-600 (EF) Contemporary (with IS) zooms at shutter speeds as low as 1/100 to capture trains around sunset before switching to fast primes for night shooting.

I routinely zoom to the pixel level when processing images in DxO PhotoLab 6, I like to examine the pixel level sharpness when setting de-noise and sharpness for each image.

I have not seen this so-called shutter shock in my images with any of the three M6ii bodies. Some other users such as JekyllnHyde (R2 over at dpreview) also say they have not seen shutter shock either.

I've participated in threads over at dpreview, and have tried reproducing 'shutter shock' with the lenses and speeds others say they experience it, and still am unable to see a difference between using electronic and mechanical shutter.

My feeling is that if the issue can't be reproduced with non-IS primes (people seem to only see this with zooms), how could it really be called shutter shock? It seems to be somehow related to IS of zoom lenses. I'd like to see if we can collectively try to nail down what is really going on here.

Enough people have reported this issue to convince me that something real is going on here. If it is a universal problem with the camera, I should be able to reproduce it with my 3 M6ii bodies.

I invite people to share their experiences with 'shutter shock' on the m6ii fresh in this forum - and especially to share their experiences with the particular lenses, focal lengths, and shutter speeds they see this with. I'd like to reproduce it with my cameras and try to understand what it's all about.

[Edit] Sorry about all the edits, I keep thinking of things I forgot. Since this issue happens at relatively low shutter speeds, I think it's also important to mention hand-holding technique.

I nearly always shoot with an EVF, solidly holding the camera with two hands, bracing it against my face for 3 contact points. I would imagine if you didn't use the EVF and were holding the camera out if front of you with two hands, it would be more susceptible to a vertical lens 'bounce' when the mechanical shutter fires.

Heya. Have been super busy lately, but I will peek here often as much as I can, and can sparr few minutes to do some tests.

I think I saw the issue with 11-22mm lens, possibly around 14-16mm of focal length, at shutter around 1/60 - 1/100s.

More testing needs to be done.

I will try to run some more tests myself but in the meantime found this interesting test done by ‘Canonnews’

www.canonnews.com/canon-eos-m6-mark-ii-analysis-of-shutter-shock

Took a few test shots with the 15-45, camera mounted on a sturdy tripod, with a shutter speed of 1/60. My conclusion is that shutter shock indeed exists with that lens (and assume the other IS zooms) but its a non issue in practice as you would need to zoom in beyond 150, 200% and look for smaller letters in a book cover to notice that the photos with the electronic shutter are slightly sharper. I won’t worry about this anymore but should still mostly shoot with the ES since I think the mechanical shutter is way too loud to my taste, and I prefer to keep a low profile when out and about with my camera.

That reviewer did a good test under well-described, controlled conditions. Interestingly, he found a slight, measurable difference with the Canon EF-M 32mm f1.4 prime lens, enough to convince me that the shutter is indeed the 'source' of this issue, and perhaps the springs in the kit lenses amplify the effect somehow.

When I shoot with the 15-45, it's almost always at the wide 15mm end, not at the 45 end, which may explain why I haven't seen it with that lens. Perhaps if I shot series of images at around 1/60 and 45mm with e- and mech- shutter I'd have the best chance to see it.

Speaking of shutter shock I could not find a way to customize a button to cycle between ES and MS. Any workarounds for doing this change without going back to the menu or using C1/C2?

True, you can't customize a button for electronic/mechanical shutter.

I do this by customizing C1 for stationary birds using electronic shutter and C2 for birds in flight using mechanical shutter and high speed drive mode with high shutter speed.

I also have created a custom menu 'Larry' which includes the 'shutter mode' settings as well a Expo Simulation, Touch shutter, Display brightness, for changing camera settings I frequently change during day shooting, as well as as 'Astro' menu for changing additonal settings I frequently use for astrophotography, and a 'Video' menu for more settings I frequently use shooting video. This gives you your most-used options with 2 or 3 button presses instead of having to search through all the standard menus.

Thanks, Larry. That’s a great idea, I will setup a few menus for my use cases as well