rec.photo.digital News Archive
Re: D30, 300D or SD9?

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From: John Navas (spamfilter0_at_email.domain.hidden)
Date: Sat Apr 03 2004 - 23:33:07 EST

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[POSTED TO rec.photo.digital - REPLY ON USENET PLEASE]

In <e61e09e9.0404032008.2eec9c27_at_posting.google.com> on 3 Apr 2004 20:08:39
-0800, george_preddy_at_yahoo.com (George Preddy) wrote:

>rfischer_at_bolt.sonic.net (Ray Fischer) wrote in message news:<c4nf7s$u5q$1_at_bolt.sonic.net>...

>> 1) There is no such thing as "full color capture". All cameras do
>> color sampling.
>
>Foveon doesn't sample color, it captures in full color.

Nope -- Foveon X3 samples, and does so quite imperfectly.

>That is why
>it is the worlds one and only direct image sensor and Bayers are not.

It's not a "direct image sensor" -- considerable post-processing is needed to
correct the color signals (much like interpolation of Bayer color signals).

>> 2) Because of problems in the Foveon design, Sigma cameras do not
>> do an especially good job of sampling color.
>
>In fact they don't sample color at all.

In fact they do.

-- 
Best regards,
John Navas     <http://navasgrp.home.att.net/>
"A little learning is a dangerous thing." [Alexander Pope]
"It is better to sit in silence and appear ignorant,
than to open your mouth and remove all doubt." [Mark Twain]

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• Next message: pimp_my_ride_at_email.domain.hidden: "Alex Cain's dick is so small"
• Previous message: John Navas: "Re: The Sigma-Foveon pixel rationale"
• In reply to: George Preddy: "Re: D30, 300D or SD9?"
• Next in thread: Ray Fischer: "Re: D30, 300D or SD9?"

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