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[OM] Re: The plan emerges

Subject: [OM] Re: The plan emerges
From: Joe Gwinn <joegwinn@xxxxxxxxxxx>
Date: Mon, 2 Oct 2006 21:53:46 -0400
At 3:15 AM +0200 10/3/06, Listar wrote:
>Date: Tue, 3 Oct 2006 03:33:31 +0800
>From: "khen lim" <castanet.xiosnetworks@xxxxxxxxx>
>Subject: [OM] Re: The plan emerges
>
>On 03/10/06, AG Schnozz <agschnozz@xxxxxxxxx> wrote:
>>
>[snip]
>>  mirror-box metering,
>  > outstanding viewfinders,
>
>...
>Some in this List have mentioned the desire to bring back the
>Fresnel+microprism focusing screen design. I love to see this but there has
>to be a technical issue that is preventing this from happening. Correct me
>if I'm wrong - does Canon and Nikon retain the use of the Fresnel/microprism
>design?
>I remember - not too clearly - that passive AF systems don't take kindly to
>this type of focusing screen. What are your views?

I think the desire is for a fast and *accurate* way to manually 
focus.  The split prism is simply one approach, traditional and 
well-known, but not the actual requirement.

Joe Gwinn

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