It could be one of two things.  Maybe 100F was all he had with him, or
maybe he prefers the colouration/grain characteristics/contrast from
pushing 100F.  I have heard many people say they prefer Sensia 100
pushed one stop to Sensia 200, although in this case I think that is
partly die to the fact that the emulsions get 'upgrades' released at
different times.  I would have thought 400F would have been better, but
maybe he didnt have any.

> -----Original Message-----
> From: Chris Stoddart [mailto:[EMAIL PROTECTED]]
> Sent: 12 March 2002 12:00
> To: [EMAIL PROTECTED]
> Subject: National Geographic & Pentax question
> 
> 
> As various people have said, going to the National Geographic site and
> typing Pentax into the search engine produces a few hits, mostly from
> people using 6x7's. I notice that the ones from the series 'Over the
> Sonoran' have a lot with the legend:
> 
> Film Type: Fujichrome Provia 100 RDP II (push-processed two stops)
> 
> For example:
> http://www.nationalgeographic.com/ngm/0010/feature2/zoom3.html
> 
> My question is why would the photographer want to 
> push-process Provia 100
> two stops? Why not just use Provia 400F ? Or am I missing something
> obvious here? (very likely!)
> 
> Chris
> -
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