Re: [APML] What's the Longest Exposure for an ASA 800 Film

[Darren Talbot <HGHLNDR@gmail.com>]

I've used Fuji 800 xtra for shots up to 20 min with great colour and
no reprocity failure that I can see.
http://www3.ns.sympatico.ca/dtalbot/astro/milkyway/teapot_milky_hirez.jpg

That link is a picture I exposed for 20 min. 50mm lens @ f/2.8 on Fuji
xtra 800. I think it came out fine.

Darren


On Mon, 4 Oct 2004 20:16:08 -0700, Thomas W. Earle <twade@bmi.net> wrote:
> In preparing for the Geminids, I'm trying to figure out what is the
> ideal/maximum exposure at F/2.8 using NPZ Fujicolor 800.  I'll be
> using a Pentax 67 camera so there's not too many film choices left
> in the medium format arena, especially color negative films.  I have
> a very dark sky with an elevation of 4000 feet.  Here's a link to a
> light pollution map of my observing location:
> 
> http://cleardarksky.com/lp/RttBttORlp.html
> 
> I used some old Fuji NGHII 800 during the Perseids which I exposed
> for 10 minutes, but a few shots seem a little muted; however, the
> film is a little over a year past its expiration so I'm not sure if
> I exposed too long or not.  I'll primarily be shooting around Orion
> area which should be about at an altitude of 40-45 degrees at its
> highest.  I plan on doing some testing over the next few months;
> however, it's all dependant on mother nature.
> 
> Any comments or advice would be greatly appreciated.
> 
> Wade
> 
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