Archived posting to the Leica Users Group, 2012/03/21

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Subject: [Leica] B&W Leica?
From: photo.forrest at earthlink.net (Phil Forrest)
Date: Wed, 21 Mar 2012 14:07:24 -0400
References: <CAFuU78diOn7i883gyJeKFMQ7OYfC21OdMmHXhVfL9MyKgGM2dA@mail.gmail.com> <CB8E7277.106E8%chris@chriscrawfordphoto.com> <20120321174752.GA728@selenium.125px.com> <6FE59497-E5B8-4C9C-B88A-B4A9CB1F073C@gmail.com>

Isn't it because the CCD itself needs more green to cover the range of
normal human vision due to its inherent deficiency at that band of the
EM spectrum?

Phil Forrest


On Wed, 21 Mar 2012 10:58:27 -0700
Steve Barbour <steve.barbour at gmail.com> wrote:

> 
> On Mar 21, 2012, at 10:47 AM, Tim Gray wrote:
> 
> > On Mar 20, 2012 at 05:45 PM -0400, Chris Crawford wrote:
> >> 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.
> > 
> > Because the human eye is more sensitive to green light.
> 
> 
> 
> Tim,  maybe I'm confused, but if the human eye is more sensitive to
> green, why more (rather than less) green pixels?
> 
> 
> > 
> > _______________________________________________
> > Leica Users Group.
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> 
> 
> _______________________________________________
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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?)
Message from chris at chriscrawfordphoto.com (Chris Crawford) ([Leica] B&W Leica?)
Message from tgray at 125px.com (Tim Gray) ([Leica] B&W Leica?)
Message from steve.barbour at gmail.com (Steve Barbour) ([Leica] B&W Leica?)