Shutter Shock: My ep5 is bad. Would an em5 do better?

Started 6 months ago | Discussions thread
Anders W
Forum ProPosts: 17,046Gear list
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Re: More test data with various settings, noticeable improvement.
In reply to Mr Sincere, 6 months ago

Mr Sincere wrote:

I quickly ran through some more settings (it's nice out, and I gotta get out and shoot something other than candy bar wrappers ).

Quick summary:

IS 1 vs IS Auto: Makes no difference. Didn't think it would, but thought it couldn't hurt to try.

Short Shutter Release: For some reason, enabling this creates a huge improvement. Does anyone have any idea why this might be? I can hear a click when I enable this, which makes me think it changes something mechanical. This improvement alone could almost be enough to make me keep the camera.

Judging by the evidence presented here

http://www.dpreview.com/forums/post/52306602

the shutter is "cocked" immediately after each exposure when release lag-time is set to short, so that the camera is already prepared to release the shutter again. If it is set to normal, the shutter is instead "cocked" immediately before the exposure. Possibly, the motion associated with the "cocking" operation is sufficiently "violent" to affect the exposure if carried out immediately prior to it.

I put "cock" in quotation marks since the shutters we are talking about here are not spring-loaded (as far as I know). Nevertheless, it seems that the actuator has to be prepared in some way before it can do the job.

Anti-Shock at 1/8th of a second: Also makes a big difference. I anticipated this, but it doesn't hold much appeal to me since I like to shoot a lot of moving subjects. It seemed to create a noticeable difference in shutter lag.

Same as previous post: 2 is pretty bad shutter shock, 5 is no noticeable shock.

1/200 / IS Auto / Normal Release Time / Anti-Shock Disabled

2: 2
3: 3

1/200 / IS 1 / Normal Release Time / Anti-Shock Disabled

2: 1
3: 4

1/200 / IS Auto / Short Release Time / Anti-Shock Disabled

3: 1
4: 3
5: 1

1/200 / IS 1 / Short Release Time / Anti-Shock Disabled

3: 2
4: 1
5: 2

1/200 / IS Auto / Normal Release Time / Anti-Shock Enabled

3: 1
4: 2
5: 2

1/200 / IS Auto / Short Release Time / Anti-Shock Enabled

3: 1
4: 1
5: 3

1/160 / IS Auto / Short Release Time / Anti-Shock Disabled

3: 2
4: 6
5: 2

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