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Electronic shutter: advantages and disadvantages

Started Sep 6, 2015 | Discussions
Henry Richardson Forum Pro • Posts: 21,959
Electronic shutter: advantages and disadvantages
13

I got an E-M10II a couple of days ago and have been checking it out. Today I tried out the new electronic shutter. My E-M10 and E-M5 don't have it so it was my first time to use one. I know that the E-M5II has it and some Panasonic bodies also have it though. From what I recall reading in the last few months here are the advantages and disadvantages. If you have a correction or you have something to add then please do so.

Advantages:

  • totally silent
  • no shutter shock (Olympus has anti-shock 0 for mechanical shutters also)
  • no mechanical wear and tear
  • higher shutter speeds possible

Disadvantages:

  • can cause banding when there is fluorescent lighting
  • can cause rolling shutter problem for rapidly moving subjects
  • GH4 and some other Panasonic bodies switch to 10-bits with electronic shutter, but 12-bits for mechanical shutter -- GX7 uses 12-bits for both

Does the E-M10II use 12-bits for both the electronic shutter and the mechanical shutter?

Actually, I am sort of neutral on the totally silent advantage. For my shooting, the OM-D mechanical shutters seem quiet enough. I see that people who shoot theater and similar things would really welcome totally silent operation though. So much easier and cheaper than using one of those camera blimps. For street photography I have never seen where total silence was important. I have done a lot of it over the years using DSLRs that were much noisier than my E-M10 and E-M5 and had absolutely no problems. Also, on the street there is usually enough ambient noise that almost no one hears a shutter, especially the quiet one in the E-M5. I suppose upskirt photographers though highly value a totally silent shutter, but is m4/3 really the best choice for that type of photography anyway?

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Olympus OM-D E-M10 Olympus OM-D E-M10 II Panasonic Lumix DMC-GX7
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alcelc
alcelc Forum Pro • Posts: 19,003
Re: Electronic shutter: advantages and disadvantages
1

Henry Richardson wrote:

I got an E-M10II a couple of days ago and have been checking it out. Today I tried out the new electronic shutter. My E-M10 and E-M5 don't have it so it was my first time to use one. I know that the E-M5II has it and some Panasonic bodies also have it though. From what I recall reading in the last few months here are the advantages and disadvantages. If you have a correction or you have something to add then please do so.

Advantages:

  • totally silent
  • no shutter shock (Olympus has anti-shock 0 for mechanical shutters also)
  • no mechanical wear and tear
  • higher shutter speeds possible

Disadvantages:

  • can cause banding when there is fluorescent lighting
  • can cause rolling shutter problem for rapidly moving subjects
  • GH4 and some other Panasonic bodies switch to 10-bits with electronic shutter, but 12-bits for mechanical shutter -- GX7 uses 12-bits for both

Does the E-M10II use 12-bits for both the electronic shutter and the mechanical shutter?

Actually, I am sort of neutral on the totally silent advantage. For my shooting, the OM-D mechanical shutters seem quiet enough. I see that people who shoot theater and similar things would really welcome totally silent operation though. So much easier and cheaper than using one of those camera blimps. For street photography I have never seen where total silence was important. I have done a lot of it over the years using DSLRs that were much noisier than my E-M10 and E-M5 and had absolutely no problems. Also, on the street there is usually enough ambient noise that almost no one hears a shutter, especially the quiet one in the E-M5. I suppose upskirt photographers though highly value a totally silent shutter, but is m4/3 really the best choice for that type of photography anyway?

You has listed the pros and cons of e-shutter already. Just wish to say if the readout speed could be fast enough, the rolling shutter effect could be minimized.

Had no info on EM10.2, but some e-shutter info on various panny here.

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Albert

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NFG Regular Member • Posts: 160
Re: Electronic shutter: advantages and disadvantages
3

It should also be noted that you can't use a flash with the eshutter either. The slow sensor speed means a flash won't illuminate the whole frame the whole time.

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Jacques Cornell
Jacques Cornell Forum Pro • Posts: 16,262
Where silent shutter helped me
4

Henry Richardson wrote:

I got an E-M10II a couple of days ago and have been checking it out. Today I tried out the new electronic shutter. My E-M10 and E-M5 don't have it so it was my first time to use one. I know that the E-M5II has it and some Panasonic bodies also have it though. From what I recall reading in the last few months here are the advantages and disadvantages. If you have a correction or you have something to add then please do so.

Advantages:

  • totally silent
  • no shutter shock (Olympus has anti-shock 0 for mechanical shutters also)
  • no mechanical wear and tear
  • higher shutter speeds possible

Disadvantages:

  • can cause banding when there is fluorescent lighting
  • can cause rolling shutter problem for rapidly moving subjects
  • GH4 and some other Panasonic bodies switch to 10-bits with electronic shutter, but 12-bits for mechanical shutter -- GX7 uses 12-bits for both

Does the E-M10II use 12-bits for both the electronic shutter and the mechanical shutter?

Actually, I am sort of neutral on the totally silent advantage. For my shooting, the OM-D mechanical shutters seem quiet enough. I see that people who shoot theater and similar things would really welcome totally silent operation though. So much easier and cheaper than using one of those camera blimps. For street photography I have never seen where total silence was important. I have done a lot of it over the years using DSLRs that were much noisier than my E-M10 and E-M5 and had absolutely no problems. Also, on the street there is usually enough ambient noise that almost no one hears a shutter, especially the quiet one in the E-M5. I suppose upskirt photographers though highly value a totally silent shutter, but is m4/3 really the best choice for that type of photography anyway?

This seems like a good summary. And, you're right about some mechanical shutters being quiet enough for most circumstances. I'll just note where silent shutter has been helpful for me.

  • In churches. Traveling in Europe I photographed the interiors of several churches where you could hear a pin drop.
  • In corporate meetings. As a pro event shooter, I've sometimes found myself in crowded conference rooms where a dozen or two folks were discussing important business matters. Typical format with a big table or doughnut in the middle of just-big-enough room, and everyone no more than 5' from a wall, which means I was never more than 3' from somebody. The clackety-clack of even a quiet shutter would have drawn attention and probably made someone uncomfortable.
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Simon Zeev
Simon Zeev Senior Member • Posts: 2,914
Re: Electronic shutter: advantages and disadvantages
2

I think the big advantage is:  No mechanical shock.

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Dave Lively Senior Member • Posts: 1,938
Re: Electronic shutter: advantages and disadvantages
1

What's the sweep time with your camera?  If you do not know you can find out by taking a picture of a fluorescent light with the shutter speed set high enough to cause banding.  The sweep time is the number of bands divided by 2 times the AC frequency.  Or number of bands /120 in the US or other countries with 60 Hz AC.

On my GX7 the sweep time is about 8/120 = 1/15 of a second which is slow enough to cause problems with moving subjects.  If they could get it up to 1/60 or faster it would help a lot but the technology is not there yet.

Despite the slow sweep speed I use the electronic shutter much more often than the mechanical one.  The mechanical shutter in the GX7 is loud and harsh but even if it was quieter I would still prefer the shock free and completely silent electronic shutter.  Whenever I get a new camera one of the first things I do is turn off all the beeps, chirps and other noises.  I consider taking stealthy pictures of people not aware they are being photographed as the main subject an invasion of privacy and never do so intentionally.  But there is so much noise in modern life I do not need my camera adding to it.  Being stealthy has nothing to do with it.

Martin Ocando
MOD Martin Ocando Veteran Member • Posts: 6,720
Regarding wear and tear
3

That is one of the things that have troubled me since I came to m43. Our camera shutters wear two times faster than DSLRs. So, if a shutter is rated to say 50,000 actuations, it might not even reach half of it, since it must travel twice per frame.

One feature I have always feared it would wear the shutter heavily is timelapse. The E-M10 II comes to cure all this.

Panasonic do have a head start on this. I had E-Shutter with my G5, couple of years ago. Really loved that feature, and I'm missing it on my E-M10.

What really bugs me, is that such a feature can't be too difficult to implement with a firmware upgrade. I mean, my E-M10 already uses E-Shutter for Live Composite.

Still hoping

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Martin
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OP Henry Richardson Forum Pro • Posts: 21,959
Using electronic shutter results in more image noise?

alcelc wrote:

You has listed the pros and cons of e-shutter already. Just wish to say if the readout speed could be fast enough, the rolling shutter effect could be minimized.

Yes, I wonder what it is for the E-M10II?

Had no info on EM10.2, but some e-shutter info on various panny here.

Thanks for that link. Interesting. With Panasonic using the electronic shutter results in more image noise and less dynamic range.

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OP Henry Richardson Forum Pro • Posts: 21,959
"shutter speeds about 1/250 sec, where banding can occur"

Dave Lively wrote:

What's the sweep time with your camera? If you do not know you can find out by taking a picture of a fluorescent light with the shutter speed set high enough to cause banding. The sweep time is the number of bands divided by 2 times the AC frequency. Or number of bands /120 in the US or other countries with 60 Hz AC.

On my GX7 the sweep time is about 8/120 = 1/15 of a second which is slow enough to cause problems with moving subjects. If they could get it up to 1/60 or faster it would help a lot but the technology is not there yet.

In the E-M10II review it says:

The best option is to use the full electronic shutter, which completely eliminates the issue. There are times where you don't want to use it, though, mainly when shooting in artificial light at shutter speeds about 1/250 sec, where banding can occur.

http://www.dpreview.com/articles/4887393042/bang-for-the-buck-olympus-om-d-e-m10-ii-review/4

Does this answer your question?

Despite the slow sweep speed I use the electronic shutter much more often than the mechanical one.

Yesterday and today I have been using the electronic shutter too. I like it.

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Free Jazz
Free Jazz Regular Member • Posts: 136
Re: Electronic shutter: advantages and disadvantages

Hoping all the pana MFT cameras will be equipped with EFCS just like EM5II & EM10II.

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OP Henry Richardson Forum Pro • Posts: 21,959
no electronic shutter with flash

NFG wrote:

It should also be noted that you can't use a flash with the eshutter either. The slow sensor speed means a flash won't illuminate the whole frame the whole time.

Thanks for the additional info.

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Henry Richardson
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Dave Lively Senior Member • Posts: 1,938
Re: "shutter speeds about 1/250 sec, where banding can occur"

Henry Richardson wrote:

In the E-M10II review it says:

The best option is to use the full electronic shutter, which completely eliminates the issue. There are times where you don't want to use it, though, mainly when shooting in artificial light at shutter speeds about 1/250 sec, where banding can occur.

http://www.dpreview.com/articles/4887393042/bang-for-the-buck-olympus-om-d-e-m10-ii-review/4

Does this answer your question?

No, but thanks for responding. That just mentions there can be banding, it does not give an example photo. I would need to see an example showing banding to determine the sweep time.

On cameras that offer an electronic shutter option DPR should really measure the sweep time and publish the results. For those of us that prefer the electronic shutter the sweep time is the biggest factor in how usable it is. The sweep time of the electronic shutter matters more to me than the maximum shutter speed or flash sync speed of the mechanical shutter.

Ribbit74 Regular Member • Posts: 428
Re: Electronic shutter: advantages and disadvantages

Henry Richardson wrote:

I got an E-M10II a couple of days ago and have been checking it out. Today I tried out the new electronic shutter. My E-M10 and E-M5 don't have it so it was my first time to use one. I know that the E-M5II has it and some Panasonic bodies also have it though. From what I recall reading in the last few months here are the advantages and disadvantages. If you have a correction or you have something to add then please do so.

Advantages:

  • totally silent
  • no shutter shock (Olympus has anti-shock 0 for mechanical shutters also)
  • no mechanical wear and tear
  • higher shutter speeds possible

Disadvantages:

  • can cause banding when there is fluorescent lighting
  • can cause rolling shutter problem for rapidly moving subjects
  • GH4 and some other Panasonic bodies switch to 10-bits with electronic shutter, but 12-bits for mechanical shutter -- GX7 uses 12-bits for both

Does the E-M10II use 12-bits for both the electronic shutter and the mechanical shutter?

Actually, I am sort of neutral on the totally silent advantage. For my shooting, the OM-D mechanical shutters seem quiet enough. I see that people who shoot theater and similar things would really welcome totally silent operation though. So much easier and cheaper than using one of those camera blimps. For street photography I have never seen where total silence was important. I have done a lot of it over the years using DSLRs that were much noisier than my E-M10 and E-M5 and had absolutely no problems. Also, on the street there is usually enough ambient noise that almost no one hears a shutter, especially the quiet one in the E-M5. I suppose upskirt photographers though highly value a totally silent shutter, but is m4/3 really the best choice for that type of photography anyway?

For the Panasonic bodies, some of them use 10 bits to increase the readout speed and reduce rolling shutter. My GM1 does this. However, the only difference is in dynamic range-- you won't notice a difference unless you are pushing the shadows by several stops.

Olympus seems to have a a different implementation that increases noise across the board. Using the e-shutter gives you the noise equivalent of 1 stop higher ISO.

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rashid7
rashid7 Veteran Member • Posts: 7,011
Re: Electronic shutter: advantages and disadvantages

I've been reading this Aussie guy at "camera ergonomics" for years.  He is a big fan of m4/3, with tons of experience with many brands&formats over decades.  He is very systematic and also concise in testing all sorts of gear.  His most recent posts take a good look at e-shutter in the G7.  I highly recommend his prolific blog... going back a few years even (-:

OP Henry Richardson Forum Pro • Posts: 21,959
Panasonic less DR. Olympus more noise?
1

Ribbit74 wrote:

For the Panasonic bodies, some of them use 10 bits to increase the readout speed and reduce rolling shutter. My GM1 does this. However, the only difference is in dynamic range-- you won't notice a difference unless you are pushing the shadows by several stops.

Yes, I have read this in reviews and in posts. If DR is reduced wouldn't it also tend to clip highlights easier too?

Olympus seems to have a a different implementation that increases noise across the board. Using the e-shutter gives you the noise equivalent of 1 stop higher ISO.

You said Panasonic switches to 10-bit and it reduces DR. What is it that Olympus does that increases noise by 1 stop? Can you point me to where you found this information? I haven't seen this thing about 1 stop worse noise. Thanks.

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junk1 Senior Member • Posts: 1,788
Re: Panasonic less DR. Olympus more noise?

Can any m43 camera take HDRs with electronic shutter selected?    Been wondering if this is a solution to the 10bits tradeoff, and this forum seems as good as any to ask...

Of course it would need to be a very static scene and perhaps require a tripod.

Digetydog
Digetydog Senior Member • Posts: 1,461
Re: Electronic shutter: advantages and disadvantages

Henry Richardson wrote:

I got an E-M10II a couple of days ago and have been checking it out. Today I tried out the new electronic shutter. My E-M10 and E-M5 don't have it so it was my first time to use one. I know that the E-M5II has it and some Panasonic bodies also have it though. From what I recall reading in the last few months here are the advantages and disadvantages. If you have a correction or you have something to add then please do so.

Advantages:

  • totally silent
  • no shutter shock (Olympus has anti-shock 0 for mechanical shutters also)
  • no mechanical wear and tear
  • higher shutter speeds possible

Disadvantages:

  • can cause banding when there is fluorescent lighting
  • can cause rolling shutter problem for rapidly moving subjects
  • GH4 and some other Panasonic bodies switch to 10-bits with electronic shutter, but 12-bits for mechanical shutter -- GX7 uses 12-bits for both

Does the E-M10II use 12-bits for both the electronic shutter and the mechanical shutter?

Actually, I am sort of neutral on the totally silent advantage. For my shooting, the OM-D mechanical shutters seem quiet enough. I see that people who shoot theater and similar things would really welcome totally silent operation though. So much easier and cheaper than using one of those camera blimps. For street photography I have never seen where total silence was important. I have done a lot of it over the years using DSLRs that were much noisier than my E-M10 and E-M5 and had absolutely no problems. Also, on the street there is usually enough ambient noise that almost no one hears a shutter, especially the quiet one in the E-M5. I suppose upskirt photographers though highly value a totally silent shutter, but is m4/3 really the best choice for that type of photography anyway?

My Nikon V1's electronic shutter is very handy for shooting my small children. They don't react to the noise and I can take advantage of the fast, no shake FPS to maximize my odds of getting shots of them actually smiling and looking in the correct direction.

The electronic shutter is one of the few reasons I kept it after largely replacing it with my EM10.

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axlotl Senior Member • Posts: 2,273
Re: Electronic shutter: advantages and disadvantages
1

rashid7 wrote:

I've been reading this Aussie guy at "camera ergonomics" for years. He is a big fan of m4/3, with tons of experience with many brands&formats over decades. He is very systematic and also concise in testing all sorts of gear. His most recent posts take a good look at e-shutter in the G7. I highly recommend his prolific blog... going back a few years even (-:

G7 Banding

http://cameraergonomics.blogspot.com.au/2015/09/panasonic-lumix-g7-review-part-4.html

Thanks Rashid, I have been testing this issue with the G7 recently.

The G7 makes 4 bands in 50 hz AC so presumably that indicates a scanning speed of 1/25 second. (4 divided by 50x2)

There are no bands at 1/25 (or slower), 1/50 and 1/100 second.

Banding occurs at the intermediate speeds between 1/25 and 1/100 and everything faster than 1/100 sec.

The G7 DPR review states there is reduced DR and increased dark tone noise at higher ISO settings with E-Shutter.

My tests show this is true but the effect is very small and only visible at the highest ISO settings, 12800 and 15600, so of litttle significance for general photography.

Andrew (The Aussie guy)

Alan WF
Alan WF Veteran Member • Posts: 3,818
Re: Electronic shutter: advantages and disadvantages

Henry Richardson wrote:

Disadvantages:

  • can cause banding when there is fluorescent lighting
  • can cause rolling shutter problem for rapidly moving subjects
  • GH4 and some other Panasonic bodies switch to 10-bits with electronic shutter, but 12-bits for mechanical shutter -- GX7 uses 12-bits for both
  • The shutter speed with the electronic shutter is limited on some bodies (for example, to 1 second or less on the GM1/GM5).
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OP Henry Richardson Forum Pro • Posts: 21,959
Electronic shutter: Panasonic sensor, Sony sensor
2

Unfortunately, the E-M10II review does not include the Raw Dynamic Range testing that they did for the E-M5II, G7, Sony RX100IV, and maybe some others. The G7 and RX100IV reviews have that and they did it using both the mechanical shutter and the electronic shutter. The G7 uses a Panasonic sensor and the E-M10II uses a Sony sensor (but not, of course, the same one as in the RX100IV). Here are some quotes from those 2 reviews:

G7:

However, the bad news is that there is visible shake in the G7's output, especially around 1/160th of a second. This isn't present in the Olympus [E-M5II] (which was shot using electronic first-curtain shutter). The shake can be eliminated by using the G7's (fully) electronic shutter. However, while this eliminated the shake, it also adds noise, which in turn reduces the degree to which you can adjust the files before the detail is overwhelmed. Unfortunately, an electronic first-curtain option, which in most cameras that offer it eliminates shake while not introducing additional noise, is not available.

...

This isn't true in Electronic Shutter mode, though. Just as the additional noise started to creep into the exposure latitude images. A 2EV push of a file starts to exhibit more noise than natively shooting at ISO 1600 and after a 3EV push it's really obvious. Given how much of your image is likely to be made up of dark tones in the situations in which you might use high ISO settings, this difference is likely to be very obvious.

http://www.dpreview.com/reviews/panasonic-lumix-dmc-g7/6

RX100IV:

Sony's sensor designs contribute very low levels of noise, which means highly 'pushable' Raw files.

...

The interesting thing about the RX100 IV is what happens when the camera automatically will switch on its electronic shutter (at a high shutter speed or in continuous shooting modes). Having a camera do this automatically typically would be a worry. As we can see on the Panasonic G7, the fully electronic shutter has a DR cost. The RX100 IV, however, faces no penalties for making the switch, which means there are no worries in letting the camera decide when it will use a fully electronic shutter.

http://www.dpreview.com/reviews/sony-cybershot-dsc-rx100-iv/15

I don't know how the electronic shutter performs in the E-M10II. More like the RX100IV since they are both Sony sensors? Maybe, maybe not.  Do the E-M5II and E-M1 have an electronic shutter?

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