Archived posting to the Leica Users Group, 2012/03/20

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Subject: [Leica] B&W Leica?
From: chris at chriscrawfordphoto.com (Chris Crawford)
Date: Tue, 20 Mar 2012 17:45:43 -0400

Actually, its four pixels. Two green, one red, one blue. There's a
technical reason why two greens are used, but I can't remember it all. All
bayer type sensors are like that.

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Chris Crawford
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On 3/20/12 5:39 PM, "Lew Schwartz" <lew1716 at gmail.com> wrote:

>Exactly. We currently grab 3 rgb pixels, average them out and arrive
>at a bw average value. A bw only sensor could well put us in the S2
>range. The extra pixels might well translate into more sharpness,
>contrast, etc... not to mention iso. If this fantasy came true,
>there'd be no doubt that digital had finally beat out bw (scanned from
>film or otherwise).
>
>On Wed, Mar 14, 2012 at 5:27 PM, wildlightphoto at earthlink.net
><wildlightphoto at earthlink.net> wrote:
>> Nathan Wajsman wrote:
>>
>>>>>
>> If I want B&W, I just do it in post-processing. Why would you pay for a
>> crippled camera?
>> <<<
>>
>> To get B&W from an RGB digital camera you throw away 2/3 of the image
>>data.
>> A B&W-only camera could be much more sensitive (higher ISO) and higher
>> resolution.
>>
>> Doug Herr
>> Birdman of Sacramento
>> http://www.wildlightphoto.com
>>
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Replies: Reply from tgray at 125px.com (Tim Gray) ([Leica] B&W Leica?)
In reply to: Message from lew1716 at gmail.com (Lew Schwartz) ([Leica] B&W Leica?)