E-M1 Focus problems

Started Mar 13, 2014 | Discussions thread
Big Ga Forum Pro • Posts: 18,608
Re: Stuff happens

DonSC wrote:

Big Ga wrote

I realise that if its a vibration issue, then below certain speed(s) it will diminish in effect, and similarly above, but what I am asking is: why are you using the sync speed as the reference centre point?

It's not that the blurring would be more or less, it's that the blurring would fit a fundamentally different pattern. This follows from the fact that above sync speed the second curtain is closing while the first curtain is opening. The top/bottom of the image has already been fully exposed before the first curtain could create any vibration.

I know what you're getting at, and you MIGHT be right, but on what basis do you state that " blurring would fit a fundamentally different pattern" ?

How do you know?

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