Re: new polaroid question

--- DAlfrey@aol.com wrote:
> In a message dated 11/19/2002 1:04:04 AM Central Standard Time,
> zoppa29@yahoo.com writes:
>
> > all,
> >
> > Due to the cost difference of type 55, I am
> > considering the use of polaroid type 665 for a
> > project. Has anyone tried the polaroid neg's with
> > printing platinum? This will be my first attempt with
> > the medium and any information will be appreciated.
> > My worry is that the neg will not have a strong enough
> > density to print acceptable images.
> >
> > Thanks,
> >
> I cant speak to Polaroid 665, but I would think if you overexposed by 2
> stops at least , you would get a dense enough negative for platinum . What is
>
> 665's rated film speed ?
> I know with Type 55 , I expose it at EI 25 , to get the negs I like , and I
> think Polaroid rates Type 55 at EI 50 , I would think you could rate it lower
> and run a few tests to see how dense the negs can get , before becoming "
> bulletproof " and block up.
> Good Luck , and let us know what results you get .

I think that it is less a matter of density, and more a matter of contrast. I
have used Type 55 to print Van Dyke and decided that it did not offer
sufficient contrast to print to my liking. Yes, you can alter the process to
some extent, but the ability to expose and develop regular sheet film
specifically for the alternative processes makes it considerably better suited.

Cheers -

george

=====
Handmade Photographic Images - http://GLSmyth.com
DRiP Investing - http://DRiPInvesting.org

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Received on Tue Nov 19 09:12:31 2002