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Old 02-08-2014, 11:28 PM
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mostschaedel (Gerald)

mostschaedel is offline
Join Date: Mar 2007
Location: Ebreichsdorf Austria
Posts: 60
Hi Hobbit!
You can hyper the 400 ASA film with a mixture of Hydrogen and Nitrogen.

In Addition you can ask the labor to push the film from 400 to 800.

In the old times - in the 70thies in the last millenium - i used
Ektachrome 400, pushed it with the above linked method,
did long exposures as long as possible (up to 1 hour depending on tracking errors and sky background dark enough) ,
and let the lab develop the film with 800 ASA.

These are the 3 methods i know and used to push film results


P.S: Today i would use fullframe DSLR and do mosaics...
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