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Olympus OM-D E-M5 Mark II The first OM-D's successor.

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Old 22nd September 2016
justa1972 justa1972 is offline
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Shutter shock?

Hello

After some advice please

I am looking at switching to m43 and have narrowed it down to the omd em 5 mk ii or the new Panasonic g80 - I am leaning towards the Olympus die to the superior jpegs.

Should I be concerned with shutter shock?

Thanks
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Old 22nd September 2016
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pdk42 pdk42 is offline
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Re: Shutter shock?

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Originally Posted by justa1972 View Post
Hello

After some advice please

I am looking at switching to m43 and have narrowed it down to the omd em 5 mk ii or the new Panasonic g80 - I am leaning towards the Olympus die to the superior jpegs.

Should I be concerned with shutter shock?

Thanks
Afaik, neither of these cameras suffers from shutter shock. There are plenty of u43 cameras in the part that did, but I think they've now sorted the issues. First curtain electronic shutter is a big help.
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Old 22nd September 2016
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Ian Ian is offline
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Re: Shutter shock?

The Panasonic has a completely new shutter unit in order to solve the problem of shutter shock with previous models. The E-M5 Mark II has one of the quietest and vibration-free shutters of any system camera on the market - shutter shock is not a problem at all. You can also use silent (no mechanical shutter) shutter mode so there will be no shutter shock at all (both cameras have this).

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Old 22nd September 2016
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Re: Shutter shock?

Plenty of evidence of shutter shock in the em5 mk ii - even on this website

http://e-group.uk.net/forum/showthread.php?t=36831
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Old 22nd September 2016
Ricoh Ricoh is offline
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Re: Shutter shock?

I can't remember the precise cause (other than the obvious that a live view sensor requires the shutter to slam shut just prior to exposure) but from first principles it would appear that image stabilisation tends to exacerbate the situation. Dump image stabilisation and all should be fine.
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Old 22nd September 2016
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Re: Shutter shock?

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Originally Posted by Ricoh View Post
I can't remember the precise cause (other than the obvious that a live view sensor requires the shutter to slam shut just prior to exposure) but from first principles it would appear that image stabilisation tends to exacerbate the situation. Dump image stabilisation and all should be fine.
Steve - I did a lot of testing and research on shutter shock back in the day that I had an E-P5 (now that was a camera with BAD shutter shock!). I concluded that IBIS was not an endemic and reproducible problem. I have evidence of it causing problems, but it's infrequent and the result is not at all the same as shutter shock.

This is understandable for two reasons:

- The periodicity of shutter shock is a lot shorter (higher frequencies) than IBIS is designed to handle - i.e. IBIS won't try to correct shutter shock.

- Even when IBIS is off, the sensor is still suspended by the voice coils, so if lack of rigidity is the issue, turning it off won't make much difference.

OTOH, shutter shock was fairly easy to reproduce on the E-P5 and the fix that Olympus did to introduce a short delay (20ms) between the first curtain opening and exposure starting ( so-called 0s anti-shock) fixed it entirely.

I've done tests on other cameras and this is my own view:

- E-M5: no appreciable issue. Can sometimes occur with some lenses (the 75mm seemed to be the one that did it the most).

- E-M1: suffers noticeable shutter shock unless you use the 0s delay

- E-M10: slight blurring on some lenses. Fixed entirely by the 0s anti shock mode

- GX7: slight bit easily reproducible blurring due to shutter shock. No fix available.

- E-PL5: slight blurring with some lenses. No fix available.

Remember that shutter shock only happens at certain shutter speeds - usually in the 1/100s range or thereabouts.
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Old 22nd September 2016
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Re: Shutter shock?

Thanks Paul, it's coming back to me now that you've refreshed my memory. Obviously quite a complex situation. It doesn't surprise me that the impulse shock generated by the shutter rapidly decelerating produces high frequency components outside the bandwidth of ibis. Ibis after all is designed to discriminate against human motion and not against fast edge accelerations.
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Old 20th March 2017
Harold Gough Harold Gough is online now
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Re: Shutter shock?

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Originally Posted by pdk42 View Post

- E-M1: suffers noticeable shutter shock unless you use the 0s delay
I have never experienced it on the EM-1 but it is present on my A7R.

Harold
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