Paper Film Means Long Exposure?

From: Bob & Jennifer <jenbob_at_domain.name.suppressed>
Date: Thu 11 Jan 2001 - 04:43:21 PST

Hi,

Thanks for all the posts regarding shooting onto photographic paper.
Seems like everyone agrees that the paper is ISO 6.

I just wanted to cross check my calculations with some of you
regarding exposure times with it. I am using a Leonardo Super Wide
(aperture of . 010). Seems like that is an approximate f stop of
186. Somewhere I have seen an exposure calculation that you mulitply
times your f64 reading. I see this as 8.7.

I have seen recommendations of using ASA 400 film and using 4 seconds
as a good starting point. If I have done the math correctly that
means my ASA 6 (paper) should be exposed for 4 minutes.

Now if I ignore that and just use the 8.7 exposure calculation, that
means my correct exposure should be 18 minutes.

Can someone give me a recommended starting point for full sun?

Thanks,
bob peak

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Received on Thu Jan 11 08:43:58 2001

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