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Re: [APML] Nikon D70



Dale - I am hoping to go digital in the next year and was kinda hoping
that the D70 would be my Nikon "digital rebel". Since I have six Nikkor
lenses, I was not anxious to switch systems. Are you going to post some
of your images so we can see them?

Stuart
http://www3.sympatico.ca/stuart.j.heggie/Stuart.J.Heggie/
Flesherton, Ontario, Canada

----- Original Message -----
From: "Dale Ireland" <direland@drdale.com>
To: "'Discussion of Film Astrophotography'" <astro-photo@seds.org>
Sent: Sunday, April 04, 2004 3:07 PM
Subject: RE: [APML] Nikon D70


> Hello
> Further in thread you will find this:
>
> "Nikon's director of digital SLR's in Melville (not just some local
tech rep
> or sales person) confirmed personally that it's a full 12-bit RAW
file."
> That justifies why the D70 compressed NEF are bigger than those from
the
> D100. "
>
> I have been testing my D70 and it is no SBIG but still about the best
slr
> available for low light (astro) photos along with the Canon 10D and
300. I
> got a very deep shot of M13 in 5 minutes and it does automatic dark
field
> subtractions for each exposure if you want. No mirror lock. It takes
wider
> range images of the Moon than any film I have tried. I mean it can get
fine
> terminator detail without burning out the limb. It has poor Ha
response that
> takes some serious effort to work around, if you like blue nebulae
this is
> your camera.
>
> Dale
>
> ----- Original Message -----
> From: "James Foster" <jrfcomet@sbcglobal.net>
> To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
> Sent: Friday, April 02, 2004 2:04 PM
> Subject: Re: [APML] Nikon D70
>
>
> > To:  Christopher,
> >
> > I heard that the Nikon D70 has a hardware interpolation bit problem.
> > Even though its advertised as a 12bit camera, internally its really
a
> 9-bit
> > per channel;
> > it interpolates upwards back to 12-14 bits.  I don't think this
would
> > lend well to astrophotography!  Here's the originally reference:
> >
http://forums.dpreview.com/forums/read.asp?forum=1034&message=7883656
> > Its a very long discussion, but the bottom line is, that the
compression
> > schemes used
> > make it something less than a 12-bit (which it already too low for
astro)
> > per channel
> > camera.
> >
> > James Foster
> > Los Angeles, CA


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