Re: [Frameworks] Extremely Long Exposures - for Months and Years

From: Mauri Lehtonen (email suppressed)
Date: Tue Nov 02 2010 - 04:52:30 PDT


It needs a lot of testing. If you shoot on film, it can't be just calculated, as you have to take film's reciprocity characteristics into consideration.

--- On Tue, 11/2/10, Aditya Mandayam <email suppressed> wrote:

From: Aditya Mandayam <email suppressed>
Subject: [Frameworks] Extremely Long Exposures - for Months and Years
To: email suppressed
Date: Tuesday, November 2, 2010, 7:40 AM

Hello, I am interested in making extremely long exposures: of the
order of many months, perhaps a few years.

E.g: http://photoslaves.com/open-shutter-by-michael-wesely/

I asked this question on photo.net as well:
http://photo.net/black-and-white-photo-film-processing-forum/00XKLr

I would like to know how to meter for such long exposures. What amount
of light does one assume? Average brightness of a day over a year?

Thank you.
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