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Re: [OM] Focus Accuracy Test - Oh what misery we bring uponourselves

Subject: Re: [OM] Focus Accuracy Test - Oh what misery we bring uponourselves
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Mon, 16 Aug 2010 23:21:27 +0800
In my previous email I have also mentioned I have checked the focus with 
EPL-1 (12MP) with 14x liveview, it is possible to differentiate the focus 
but still not easy.

Have you tried to focus the 24/2.8 on your OM body with split screen? You 
can differentiate the focus of 5 and 6 meter? I just tried with my like new 
OM-1n, I immediate surrender.

C.H.Ling

----- Original Message ----- 
From: "Ken Norton" <ken@xxxxxxxxxxx>



>> I'm not sure if 5D II has poorer liveview than L1 but based on the DOF
>> calculator:
>
> Another thing to consider in this, which reinforces Chuck's position,
> is the pixel-pitch of the L1 is 5.6um, whereas the 5Dmk2 is 6.4um. For
> comparison, the 5Dmk1 is 8.2um.
>
> Based on this, the L1 does allow for greater focusing accuracy, but in
> that regard, the 12mp sensors of the newer Olympus and Panasonic
> cameras would be even better. Therefore, the L1 does have better
> liveview than the 5Dmk2.
>
> ;)
>
> But none of this compares to a split-image or rangefinder focusing aid
> (when calibrated).
>
> AG

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