Re: [APML] Speeding up film with cold weather

[Alan Voetsch <critter12952@yahoo.com>]

--- "John C. Mirtle" <jmirtle@shaw.ca> wrote:
>     There is no question that cold temperatures (and
> cold cameras) have a
> positive effect in reducing low intensity
> reciprocity failure 

Hi John,

I wonder about Supra 400. This film has little
reciprocity failure that I've noticed. Up to 5 1/2
hours so far at f/10.

> Generally, what I found was that films that hypered
> well didn't respond to
> the cold, films that didn't hyper did. Most
> responsive to cold cams was
> Kodak film, followed by Konica and Fuji generally
> sucked.

This statement qualifies Supra on both counts.

> If you notice a film
> that seems to "perk up" in
> winter, please post your results.

I will do that. I only use Supra 400 at present,
actually the recent past too. But if we can get others
to check into this and post results with other types
of film, maybe the info will be useful to all of us.

Alan


__________________________________________________
Do you Yahoo!?
HotJobs - Search new jobs daily now
http://hotjobs.yahoo.com/

--  APML Archives at <http://astro.umsystem.edu/apml/>  ---
             Unsubscribe at <majordomo@seds.org>