Archived posting to the Leica Users Group, 2008/05/03

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Subject: [Leica] HDR
From: abridge at gmail.com (Adam Bridge)
Date: Sat May 3 17:03:48 2008
References: <5CDA84BF-376B-4255-9808-2575AB6ECFE3@nathanfoto.com> <C441B981.3C686%sam.kennard@mac.com> <010601c8ad27$4688f650$d39ae2f0$@net> <6E850CA9-E128-44BE-A00E-69D911C69A91@ameritech.net>

But there's a lot of engineering into making this happen in a real
world situation. A blink, hand motion, wind, moving leaves: the world
isn't a static space. I'm not as enthusiastic.

Adam

On Sat, May 3, 2008 at 8:33 AM, Dante Stella <dstella1@ameritech.net> wrote:
> This is a big deal, and if it gets off the ground, we may see the end of
> shutter speeds as we know them.
>
>
>
>  On May 3, 2008, at 10:09 AM, Frank Filippone wrote:
>
>
> > This is about 7 stops difference overexposed, and the same underexposed
> from
> > nominal exposure.  That is a lot of shadow and highlight detail thrown
> into
> > the mix.
> >
> > Frank Filippone
> > red735i@earthlink.net
> >
> >
> >
> > Yamada showed a 177x144 pixel image sensor that takes three photos of the
> > same scene in rapid succession. In one example, he said, the first
> exposure
> > lasts 1.5 microseconds, the second 150 microseconds, and the third 15,000
> > microseconds (not far from a 1/60 second exposure). Extra circuitry built
> > into the sensor records the data from the multiple exposures and uses an
> > assortment of electronic capacitors to combine it into a single image 
> > that
> > spans a greater dynamic range.
> >
> >
> >
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
> >
>
>
>  _______________________________________________
>  Leica Users Group.
>  See http://leica-users.org/mailman/listinfo/lug for more information
>

Replies: Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] HDR)
In reply to: Message from nathan at nathanfoto.com (Nathan Wajsman) ([Leica] test)
Message from sam.kennard at mac.com (Sam Kennard) ([Leica] HDR)
Message from red735i at earthlink.net (Frank Filippone) ([Leica] HDR)
Message from dstella1 at ameritech.net (Dante Stella) ([Leica] HDR)