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[OM] Re: A what f-stop do diffraction issues set in?

Subject: [OM] Re: A what f-stop do diffraction issues set in?
From: Johnny Johnson <jjohnso4@xxxxxxxxxx>
Date: Tue, 18 Apr 2006 20:03:35 -0400
At 12:28 PM 4/18/2006, James Royall wrote:

>I've had a search through emails I've saved and more widely can't find
>this. I stuck my E300 on a tripod (a rare event in itself) with the
>14-54 at 14mm on it. Going for some max depth of field (another relative
>novelty) I went for f16, but find the results soft. I then remembered
>(of course, after the event) that I didn't need to go to such a small
>aperture as the DOF is increased and that I shouldn't go to small
>apertures because of the said diffraction. So how small do you all go in
>a wide-angle-landscape-type scenario with some foreground?

Hi James,

The link listed below is to the test results of the 14-54 on an E-300 
body.  At the 14mm focal length the MTF peaked in the center at f4 
and on the edges at f5.6.

<http://www.photozone.de/8Reviews/lenses/olympus_1454_2835/index.htm>

Later,
Johnny

__________________________
Johnny Johnson
Cleveland, GA
mailto:jjohnso4@xxxxxxxxxx 


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