Archived posting to the Leica Users Group, 2001/07/24

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Subject: Re: [Leica] RE: Re: Digital Leica and reality
From: "Mxsmanic" <mxsmanic@hotmail.com>
Date: Tue, 24 Jul 2001 20:17:30 +0200
References: <NABBLIJOIFAICKBIEPJJOEEPKLAA.darkroom@ix.netcom.com> <5.1.0.14.2.20010724081647.0223ab30@xsj02.sjs.agilent.com>

Jim Brick writes:

> Remember, it takes four real pixels to make
> a single color pixel. One red pixel, two green
> pixels, and one blue pixel.
>
> This really means that the optical resolution
> of a digital camera is 1/4 of the stated resolution.

No, it doesn't.  It means that the chrominance resolution is lower than the
luminance resolution, and both are slightly lower than the resolution implied by
the number of sensor cells in the CCD (but still much more than 1/4 of that
number).

In reply to: Message from "Austin Franklin" <darkroom@ix.netcom.com> (RE: [Leica] Re: Digital Leica and reality)
Message from Jim Brick <jim_brick@agilent.com> ([Leica] RE: Re: Digital Leica and reality)