From: RichA <rander3128@gmail.com>
Subject: Re: DSLR resolution suffers by about 20% when electronic shutter notused with mirror up
Full headers:
X-Received: by 10.200.22.241 with SMTP id y46mr15598608qtk.11.1517167333717;
Sun, 28 Jan 2018 11:22:13 -0800 (PST)
X-Received: by 10.31.49.86 with SMTP id x83mr2246588vkx.0.1517167333585; Sun,
28 Jan 2018 11:22:13 -0800 (PST)
Path: news.netfront.net!border1.nntp.dca1.giganews.com!border2.nntp.dca1.giganews.com!nntp.giganews.com!s47no2694009qta.0!news-out.google.com!e39ni899qtk.1!nntp.google.com!i22no2691626qta.1!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail
Newsgroups: rec.photo.digital
Date: Sun, 28 Jan 2018 11:22:13 -0800 (PST)
In-Reply-To: <MPG.34d780e7b5c94e6c98cf4c@news.supernews.com>
Complaints-To: groups-abuse@google.com
Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=69.157.72.115;
posting-account=8Vsz_woAAABQPV3Epo66m_rYvK1EHzOV
NNTP-Posting-Host: 69.157.72.115
References: <d97a3ed7-af3f-48b9-9796-c91014573b4d@googlegroups.com>
<0001HW.201AC13002F41C637000008DA2CF@news.giganews.com> <MPG.34d59f7f71879e3e98cf48@news.supernews.com>
<oagn6d9eg96l70cbhee8jj5jfnqlbdnt6q@4ax.com> <MPG.34d66b73322e438198cf4b@news.supernews.com>
<mn2q6dppe4to4jdr0vrhh8gmtk6rdgmqus@4ax.com> <p4j44t0gah@news6.newsguy.com> <MPG.34d780e7b5c94e6c98cf4c@news.supernews.com>
User-Agent: G2/1.0
MIME-Version: 1.0
Message-ID: <fa5889f0-fc9a-4751-92f3-b94b6d0c9176@googlegroups.com>
Subject: Re: DSLR resolution suffers by about 20% when electronic shutter not
used with mirror up
From: RichA <rander3128@gmail.com>
Injection-Date: Sun, 28 Jan 2018 19:22:13 +0000
Content-Type: text/plain; charset="UTF-8"
Lines: 33
Print Article
Forward Article
On Sunday, 28 January 2018 00:41:23 UTC-5, Alfred Molon  wrote:
> In article<p4j44t0gah@news6.newsguy.com>, PeterN says...
> > 
> > On 1/27/2018 6:28 PM, Eric Stevens wrote:
> > > On Sat, 27 Jan 2018 10:57:29 +0100, Alfred Molon
> > ><alfred_molon@yahoo.com> wrote:
> > > 
> > >> In article<oagn6d9eg96l70cbhee8jj5jfnqlbdnt6q@4ax.com>, Eric Stevens
> > >> says...
> > >>>
> > >>>> With the E-M1 II in high res mode (80 MP) it's not sufficient to disable
> > >>>> the mechanical shutter (i.e. use the electronic shutter). You need a
> > >>>> wireless shutter release and you also have to disable the autofocus,
> > >>>> because the AF motor movements in the lens generate vibrations.
> > >>>
> > >>> And don't forget the concrete foundations.
> > >>
> > >> Doesn't have to be concrete. Can by anything, also sand or mud, as long
> > >> as it doesn't move.
> > > 
> > > " ... as long as it doesn't move"  That's why I always use concrete.
> > > 
> > 
> > I've seen idiots set up a tripod on boats.
> 
> It eliminates some motion (camera shake due to shaking hands).
> -- 
> Alfred Molon
> 
> Olympus E-series DSLRs and micro 4/3 forum at
> http://tech.groups.yahoo.com/group/MyOlympus/
> http://myolympus.org/ photo sharing site

High frequency shake.  Does nothing for low-frequency ocean motion, vibration from engines, etc.