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Re: [OM] E-3 versus E-1 - pictures better with E-1

Subject: Re: [OM] E-3 versus E-1 - pictures better with E-1
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Mon, 9 Feb 2009 11:07:07 +0800
Isn't it the diffraction limit is also related to the lens focal length? As 
I remember the shorter the lens the faster it reach the diffraction limit. 
If you have a long lens, you can stop down more before it reach the 
diffraction limit.

C.H.Ling

----- Original Message ----- 
From: "Chuck Norcutt"

> It's not the limit of the lens that's in question, only the limit of the
> lens at a particular aperture.  Small sensors with small pixels run up
> against the limits of diffraction faster than large sensors with large
> pixels.  Simple as that.  Diffraction is worse at small apertures.  If
> you had a 16 MP 4/3 sensor you would not able to shoot at smaller
> apertures than about f/5.6 in order to reach full resolution at the 
> sensor.
>
> Small sensors can perform but they take high quality lenses that perform
> well at apertures larger than we are accustomed to in 35mm.
>
> Chuck Norcutt
>

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