Archived posting to the Leica Users Group, 2002/02/11

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Subject: Re: [Leica] RE: Foveon Chip
From: Bill Satterfield <cwsat@istate.net>
Date: Mon, 11 Feb 2002 13:03:28 -0600
References: <EC1D893EF5042348ADC8A79B742E9EFB6D89DB@GCI-MOCEX01.us.ad.gannett.com> <5.1.0.14.2.20020211100851.03af23b0@pop.alink.net>

I  wonder how it compares to the Buffalo chip?

Jim Brick wrote:

> At 10:42 AM 2/11/2002 -0500, B. D. Colen wrote:
>
>> Stunning barely begins to describe it. Granted, we are looking at these
>> images on our monitors, but the fine detail is really pretty amazing.
>> Obviously there are those on this list who will pooh-pooh anything 
>> digital,
>> and those who will continue to tell us that digital development has 
>> hit a
>> brick wall and it will be a decade before digital equals film. 
>> BUT...for the
>> rest of us in the real world this does indeed give one pause in terms of
>> making any further investment in film-based equipment at this time.
>>
>> B. D.
>
>
>
> It's a good thing that the journalism folks are not scientists. 
> Everything that a marketing organization utters is always the greatest 
> thing since sliced bread. Unfortunately marketing folks know that the 
> journalists will run wild and blow everything out of proportion making 
> the "breakthrough" seem like the second coming.
>
> There is a h-u-g-e amount of marketing hype associated with the Foveon 
> announcement. All of the same rules still apply. Foveon pixels are 
> still no smaller than any other pixel and Leica lenses still resolve 
> too much detail for the Foveon or any other sensor to capture without 
> producing unwanted artifacts. Nyquist, like Murphy, is still in there 
> taking his piece!
>
> All this chip might do is reduce the amount of color interpolation 
> that would normally be done. But I'm wondering how silicon happened to 
> know to filter the exact primary colors (R, G, & B) and not let any 
> other wavelengths through. Color film filters are exact. That's how we 
> get our film's color pallet. Adjusting the filter layers in film 
> produces saturated Velvia and E100VS, neutral Provia 100F, Astia, and 
> E100, etc.
>
> I guess we'll see. The examples that they show on their web site are 
> completely bogus. When's the last time you had color moire patterns on 
> your digital images? That problem was solved years ago. And getting 
> type to have every letter a different color is laughable. Actually, 
> impossible because a pixel cannot resolve a character. Only a point of 
> light.
>
> So let the marketing hype continue.
>
> Jim
>
> -- 
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>
>



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Replies: Reply from "Joseph Codispoti" <joecodi@clearsightusa.com> (Re: [Leica] RE: Foveon Chip)
In reply to: Message from "Zeissler, Mitch" <mzeissle@gcipoa.gannett.com> (RE: [Leica] Foveon Chip)
Message from Jim Brick <jim@brick.org> ([Leica] RE: Foveon Chip)