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Re: [OM] IMG: Autofocus Nightmare

Subject: Re: [OM] IMG: Autofocus Nightmare
From: "Jim Nichols" <jhnichols@xxxxxxxxxxxxx>
Date: Tue, 11 Dec 2012 18:15:49 -0600
Thanks, Chuck.  As I told Mike, the flash-assisted focus works when AUTO is 
selected, which is one mode I never use.  It does not work when any of the 
other settings are selected.

I should have used one of my Leica lenses and focused manually.

Jim Nichols
Tullahoma, TN USA
----- Original Message ----- 
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, December 11, 2012 6:07 PM
Subject: Re: [OM] IMG: Autofocus Nightmare


> It appears that focus was on the tail numbers where contrast is highest.
>  No matter what the camera and whether auto or manual focus one will
> eventually encounter a case where the camera and/or the operator is
> unable to focus due to low light/contrast.
>
> I was just browsing (wanted to say thumbing) through the E-510 manual to
> see how many focus points it had and where they were located.  I see it
> only has 3 focus points and all three are close together.  finding a
> point to focus on may require re-framing for a focus point, focusing,
> locking focus (switch to manual or use the AF lock button) and then
> re-framing again for the shot.  As Chris points out it may just be
> easier to focus manually... assuming, that is, that you can see better
> than the camera which is not always the case. :-)
>
> While browsing the E-510 manual I came across the mention of using the
> built-in flash for focus assist.  I'd never heard of using the flash
> itself for that function and glad to see it there.  The Canons
> (full-frame at least) put focus assist on the flash but as a separate
> red beam from the flash body and not part of the flash head.  In fact,
> that's part of the reason I own the Canon film era flash that I do
> (540EZ) because the focus assist lamp goes out to 15 meters.  Other
> Canon flashes only reach to 10 meters.  Focusing on the dimly lit dance
> floor of an evening wedding reception demanded it.
>
> Anyhow you've got to adapt to whatever you and your equipment can do.
>
> Chuck Norcutt
>
>
> On 12/11/2012 5:40 PM, usher99@xxxxxxx wrote:
>> Hmm, perhaps some parts of the plane not quite as sharp as expected.
>> A friend has this cam--IIRC uses strobe as AF assist lamp. Do you have
>> that feature turned off in the menu by chance? You did not mention that
>> you saw the AF strobing assist activated.
>>
>> AF Assist Assitant, Mike (hopefully not the first 3 letters for asking
>> this)
>>
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