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Help with OM1 Mark ii issue

  
 
bcd80
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p.1 #1 · Help with OM1 Mark ii issue


I have begun dipping my toes in the MFT pond with the OM1 Mark ii. I have enjoyed much success with using it for macro work and am now beginning to use it for wildlife and sports photography. I am a long time Canon shooter.

The Problem:
When shooting in electronic shutter modes (Silent single, Silent sequential, SH1, SH2) I experience a momentary blackout in the viewfinder (or on the live view screen if using that) that occurs once, when the shutter button is pressed.. It is not like the blackout experienced in earlier mirrorless cameras with high burst rates - it is a bit longer of a blackout. Once the view returns (shutter button held down for burst), the camera appears to be shooting correctly in burst modes, without much (if any) flicker.
CAF
Shooting either raw, raw plus jpeg, or jpeg
Happens regardless of IBIS modality (including off)
Happens with both 25 and 50 fps (and I think I tested less too)
Happens whether face or animal detection is on or completely off.
Doesn't seem influenced by shutter speed.
Viewer refresh set either to normal or high
Happens with multiple lenses (including 50-200 and 40-150, as well as a wide angle)
Oddly, it doesn't happen with ProCap SH1 or ProCap SH2
firmware 1.2
I have tried resetting all settings to factory defaults - no change.

This is impacting my ability to track sports action or BIF.

Seems there are three possibilities:
1. This is a "feature" that I have not seen discussed online (that would be disappointing)
2. There is some setting that I am unaware of that I need to change (hoping this is the case, since I am still finding the configuration of the camera challenging coming from Canon world and the documentation/vocabulary is a challenge for me.)
3. There is something wrong with the camera.

Thank you to any of you who can shed light on the problem. Hoping it is something simple that I've missed and FM world can help before I have to contact OM System support.

Bruce



Apr 10, 2026 at 12:41 PM
sparadise
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p.1 #2 · Help with OM1 Mark ii issue


Something doesn't sound right to me. I would call OM support


Apr 10, 2026 at 01:54 PM
amv8
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p.1 #3 · Help with OM1 Mark ii issue


Hi, under Drive settings, there is a setting called Anti-Shock Waiting Time which introduces a programmable delay after the shutter button is pressed before the shutter trips. Any chance this is not set to 0 seconds?


Apr 13, 2026 at 02:54 PM
bcd80
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p.1 #4 · Help with OM1 Mark ii issue


amv8 wrote:
Hi, under Drive settings, there is a setting called Anti-Shock Waiting Time which introduces a programmable delay after the shutter button is pressed before the shutter trips. Any chance this is not set to 0 seconds?


Got my hopes up when reading your reply. But alas, the anti-shock was off and time at 0 seconds. If I had somehow changed that, it should have reset when I did the reset to defaults. I appreciate the time you took to think and write about it.
Bruce



Apr 15, 2026 at 07:24 AM
amv8
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p.1 #5 · Help with OM1 Mark ii issue


bcd80 wrote:
Got my hopes up when reading your reply. But alas, the anti-shock was off and time at 0 seconds. If I had somehow changed that, it should have reset when I did the reset to defaults. I appreciate the time you took to think and write about it.
Bruce


Sorry to hear that wasn't the issue and quick fix. Somehow that setting got changed once on my OM-1 Mark I and threw me for quite some time until I found that setting.




Apr 15, 2026 at 10:32 AM
 


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gmccroskery
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p.1 #6 · Help with OM1 Mark ii issue


Is the camera under warranty? Do you have access to a camera dealer where you could replicate the sequential setting on a demo camera. My OM-1 Mkll certainly doesn't exhibit that issue -- so my bet is #3, and I agree that you ought to try contacting OM System service.
Also, you might pose this question on DPReview m4/3's Talk Forum -- if it's a setting type issue, there's usually someone there who can point it out.
Good luck -- the OM-1 Mkll is a great camera.

Greg



Apr 15, 2026 at 05:45 PM
petersm59
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p.1 #7 · Help with OM1 Mark ii issue


Try Camera menu 1, page 7.Drive Mode, Silent[heart] Settings, and check your waiting time setting.


Apr 16, 2026 at 09:12 AM
bcd80
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p.1 #8 · Help with OM1 Mark ii issue


petersm59 wrote:
Try Camera menu 1, page 7.Drive Mode, Silent[heart] Settings, and check your waiting time setting.


That was it! It was at 1/4 second. Setting to zero solved the problem. Much thanks for your generosity in taking the time to help out.

I'm not quite sure why this capability is in the camera. I am also confused why when I did a wholesale settings reset that it didn't go to zero. Wonder if 1/4 second is the default and why. Can't conceive of how/why I might have changed that myself.

Now I can give the camera a proper workout.

Bruce



Apr 17, 2026 at 06:41 AM
petersm59
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p.1 #9 · Help with OM1 Mark ii issue


YAY! So glad it was something simple. It usually is.

Also, it seems like one of those settings where I wonder why it even exists.



Apr 17, 2026 at 08:35 AM
amv8
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p.1 #10 · Help with OM1 Mark ii issue


Well I didn't realize there were two settings (anti-shock wait time and silent settings wait time). I actually think it was the silent setting wait time that stung me a couple of years back. I speculate that why the waiting time setting is in there is so one can introduce a shutter release delay if you are using features such as exposure bracketing or focus bracketing and don't want the push of the shutter button to potentially move the camera for the initial frame (also applies when the camera is tripod mounted). With that said, I think it's a poor design. I would much rather have a discrete shutter release delay setting like other manufacturers.


Apr 17, 2026 at 05:51 PM







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