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Re: [OM] Purple fringing

Subject: Re: [OM] Purple fringing
From: Paul Braun <pbraun42@xxxxxxxxx>
Date: Mon, 22 Dec 2014 11:49:31 -0600
As a sometimes lighting guy, I like the fact that LED fixtures are
lightweight, cool, and don't require stupid amounts of power. As a
photographer, I hate when a stage is lit by LED since the color is so pure
and narrow-spectrum, there's very little detail you can pull out by
desaturating one color. Pull it out, everything goes away.

On Mon, Dec 22, 2014 at 9:11 AM, Ken Norton <ken@xxxxxxxxxxx> wrote:
>
> >      That explains why I had a lot pf purple/magenta fringing on a
> Soligor telephoto/macro lens a couple of years ago.  It was fine until you
> cranked the macro all the way down, and then it would flare terribly with
> anything red or beyond.  I had to retire that lens because of that problem.
>
> My apologies to the gang on this topic. I've got loads of opinions (of
> course), testing information and research on this subject of
> purple-fringing, LED lighting and film/sensor comparitives.
> Unfortunately, for the next day or two, I'm getting my own spectral
> response pounded into dirt with a work project.
>
> In a nutshell, I'll just say that film and sensors do not respond the
> same way, and LED lighting is a massive issue. It is so massive that
> the chip manufacturers have been working extremely had at addressing
> it. They don't really care about the still photographers, but video.
> You'll notice that adoption of LED lighting in broadcast studios has
> been slow on the uptake...
>
>
> --
> Ken Norton
> ken@xxxxxxxxxxx
> http://www.zone-10.com
> --
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>
>

-- 

Paul Braun WD9GCO
Certified Music Junkie

"Music washes from the soul the dust of everyday life." -- Berthold Auerbach
-- 
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