On Wed, Jul 20, 2005 at 06:58:13AM -0400, Mark Roberts wrote:
> Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote:
> 
> >DNG Converter v3.1 preserves all the standard EXIF metadata tags,  
> >Paul, as far as I can tell. It might not save the Pentax private  
> >metadata, but the only application that uses that is the Pentax Lab  
> >software which I don't use.
> 
> Part of the metadata that I definitely want to keep is the lens used for
> each shot. Thumbs Plus reads all EXIF metadata , including the Pentax
> private data, BTW.

DNG Converter 3.x preserves *all* the Pentax private metadata.

It doesn't understand what it is saving, so it can't show you
what lens is being used.  But it would be possible to extract
the information from a DNG file it produces

Of course to do that you'd have to be using software that was
written to look at manufacturer-specific data, which rather
goes against the concept of DNG.

Personally I don't understand why there isn't a standard EXIF
tag for lens identification information.

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