RE: [APML] Centuria 400 - Photographic Results II

[Wei-Hao Wang <wang@IfA.Hawaii.Edu>]

Hi Chris,

Your effort is really appreciated.  It seems that Centuria
Super 400 is a little different from Centuria 400.  I'm still
using Centuria 400, which I believe is the same as the one 
Philip used.  People have seem my results from this film.  
Later I will post new images I got from these days.

I hope my Asian friends were testing the new Centuria Pro 400.
I will let people know if I hear anything about it.

Cheers,

Wei-Hao

______________________________________________________________________
Wei-Hao Wang  :)

Institute for Astronomy at University of Hawaii

Address:                       Phone: 808-956-9867                  
2680 Woodlawn Drive            Personal Website:
Honolulu, HI 96822             http://www.ifa.hawaii.edu/~wang
______________________________________________________________________



On Sun, 20 Jun 2004, Chris Schur wrote:

> Philip, complicating the matter, is the Japanese version of the film,
> "Centuria 400" without the word Super.  OPT sent me some rolls of this for
> testing, which I will try to get to tonight.  I suspect its the same film,
> but only one way to be sure...
> 
> Chris
> 
> -----Original Message-----
> From: astro-photo-bounces@seds.org
> [mailto:astro-photo-bounces@seds.org]On Behalf Of Philip Perkins
> Sent: Sunday, June 20, 2004 4:21 PM
> To: Discussion of Film Astrophotography
> Subject: Re: [APML] Centuria 400 - Photographic Results II
> 
> 
> Chris,
> 
> Very interesting and useful work.  Some of those results may be better than
> they appear at first.  I tested this film sometime around 1998 and thought
> the results showed some promise.  Of course the film may have changed since
> then.  At the time I thought the reds had a somewhat "muddy-brown" colour,
> but otherwise the Ha response was pretty decent.  One thing that is very
> good with this film is the OIII crossover - currently this may be one of
> the few colour neg films around that tries to record the visible spectrum
> accurately.  I think this film has potential and is worth testing further -
> the only reason I didn't pursue it back in 1998 was that PJM-2 and PPF were
> available at the time.  It's hard to understand why the quality problems
> exist - the rolls I tested all seemed to be fine.  Another thing worth
> mentioning is that there used to be a 120 format version of this film - not
> sure if that's still the case.
> 
> --Philip
> 
> 
> At 10:33 20/06/2004 -0700, you wrote:
> >Hi all,
> >
> >I cant believe the number of hours Ive spent on testing this film, I hope
> >its appreciated!  Anyway, here is the tracked telephoto tests from dark sky
> >sites for your evaluation.  At this point, I am not impressed with the film
> >for wide angle, and its green response tends to dilute the red sensitivity.
> >There are major quality issues with this film as you will see, each roll
> >varied alot, and the color balance changed from roll to roll.  Here are the
> >results of many hours of work:
> >
> >http://www.psiaz.com/schur/astro/filmimagepages/kontests2.html
> >
> >
> >Comments Appreciated!
> >
> >
> >Clear Skies,
> >
> >Chris Schur
> >Astro: http://www.PSIAZ.com/Schur/astro
> >Robotics: http://www.psiaz.com/schur/astro/roboticsmain.html
> 
> 
> Philip Perkins
> <pgp@astrocruise.com>
> Wiltshire UK & Luberon France
> 
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> 
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