RE: [APML] Nikon D70

["Dale Ireland" <direland@drdale.com>]

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: astro-photo-bounces@seds.org [mailto:astro-photo-bounces@seds.org] On
Behalf Of James Foster
Sent: Saturday, April 03, 2004 11:43 PM
To: Discussion of Film Astrophotography
Subject: Fw: [APML] Nikon D70


----- 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
>
>
>
>
> ----- Original Message ----- 
> From: "Christopher Go" <christone@pacific.net.ph>
> To: <astro-photo@seds.org>
> Sent: Thursday, April 01, 2004 10:56 PM
> Subject: [APML] Nikon D70
>
>
> > Hello Guys,
> >
> > I am planning on going digital.  I know that the Canon D60 is currently
> the
> > best astro DSLR but I have already invested a lot on my Nikon...  Has
> > anyone tested the D70?
> >
> > Regards,
> >
> > Chris
> >
> > Christopher and Vicky Go
> > Christone Industries
> > Manufacturer and Exporter of Quality Fossil Stone and Wrought Iron
> Furniture
> > Cebu, Philippines
> > http://www.christone.net
> > astropage: http://astro.christone.net
> >
> > _______________________________________________
> > Astro-Photo mailing list
> > Astro-Photo@seds.org
> > http://seds.org/mailman/listinfo/astro-photo
>

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