Re: [APML] Agfa Colour Optima 400

[georgea@cam.org]

Thanks Don

I figured that someone would have tried it after having seen the graphs. It 
looked too good to be true even though Agfa mention a two stop loss after 100 
seconds.

George Anderson
Montreal Canada

Clear skies and good health

Quoting Don Westergren <westergren@netzero.net>:

> George,
> 
> I tested Agfa Optima II 400 but didn't shoot the sky with it.  See my data
> at http://home.nethere.net/mpd/FilmTestData/AgfaOII.htm
> 
> It isn't very good for astrophotography (reds) unhypered, about 2 stops down
> from the old good PPF400.  Hypering can increase the reds about a stop,
> making it acceptable, but hypering grossly increases green and blue
> sensitivity, throwing color balance way off.
> 
> Clear Skies,
> Don
> 
> > Has anyone tried this film? The graphs show good response to 650nm. Not
> > sure how the reciprocity failure is on this though.
> > If no one has tried it I may buy a roll and give it a shot along with
> > another film I am testing. If we ever get clear skies again...  :^)
> >
> > George Anderson
> > Montreal Canada
> >
> > Clear skies and good health
> > _______________________________________________
> > Astro-Photo mailing list
> > Astro-Photo@seds.org
> > http://seds.org/mailman/listinfo/astro-photo
> >
> >
> 
> 
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> 



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