Archived posting to the Leica Users Group, 2018/04/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]If there are so many factual errors then why not show us one? Show us how
the Bayer process really works! Otherwise this is just added to the list of
crass personal attacks which have compiled over the years from you. And
let's see one of your pictures Ken!
--
Mark William Rabiner
Photographer
?On 4/2/18, 5:16 PM, "LUG on behalf of Ken Iisaka"
<lug-bounces+mark=rabinergroup.com at leica-users.org on behalf of ken at
iisaka.com> wrote:
There are so many factual errors. What Mark describes is Sigma Foveon
sensors. It has nothing to do with Bayer-layout sensors used by Leica and
most other cameras.
Just go take pictures.
On 1 April 2018 at 03:41, Mark Rabiner <mark at rabinergroup.com> wrote:
> It?s the same speed but it can skip having to pass though various
filters
> first in the RGB Bayer process. It's just direct.
> Makes for a far cleaner final result.
> As I understand it demosaicing means anything blue in the image has to
> pass through a red then green grid layer first.
> Anything green has to pass though just the red gird layer one first.
> And if it?s a red rose its fairly direct. Should look good.
> A black and white sensor has none of that. No grids. No layers.
Everything
> direct.
> Its keeping it simple stupid. I like that.
>
>
>
>
> --
>
> Mark William Rabiner
> Photographer
>
> ?On 3/31/18, 12:14 PM, "LUG on behalf of Paul Roark via LUG"
> <lug-bounces+mark=rabinergroup.com at leica-users.org on behalf of
> lug at leica-users.org> wrote:
>
> On Sat, Mar 31, 2018 at 7:59 AM, chris williams via LUG <
> lug at leica-users.org
> > wrote:
>
> > ?...
> >
> >
> > Leica was able to use some kind of sensor made in Belgium that
was
> > strictly designed for monochromatic images.
> >
> > ?...
>
> Yes, but aside from not having an R, G or B filter over the pixel,
the
> silicon is still the same speed as that under the filters of the
color
> sensors. The monochrome's native speed is higher only because it
has
> no
> color filters over the pixels. I don't think the Leica foundry has
> found
> any breakthrough to increase silicon's native light sensitivity.
>
> I'm not knocking the monochrome at all. For street photography or
> where
> you don't need a filter, it's truly faster and a great tool for
those
> types
> of photography.
>
> Paul
> www.PaulRoark.com
>
>
> ?
>
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--
Ken Iisaka
first name at last name dot org or com
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