E-M1 Focus problems

Started Mar 13, 2014 | Discussions thread
OP lnikj Regular Member • Posts: 190
Re: E-M1 Focus problems

Mark Chan wrote:

May I suggest overexposure, possibly implicating diffraction?

i try dialing down exposure in strong daylight. The photos I get with positive exposure compensation seem similar and indeed it may be difficult to find where u focused.

I was wondering about whether my practice of ETTR was making it worse.

I don't understand the relationship between overexposure and diffraction though. Can you explain further?


PS I have some more test shots to share later. I'm sure now that it is not simply diffraction (though that plays a small part). I am reasonably sure now that shutter speed is the single biggest factor here.

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