Thanks - I appreciate the info - I'd try wild-ass photos like this, if I
could ever figure out how to develop those long strips.
-good luck on doing those contact prints!! -Will be watching for the story.
- John Edwards, Vancouver, WA
Guy Glorieux wrote:
>
> > So.... What were (1) and (2) - and the time?????
> > - and did you use single
> > weight paper??
> > - John Edwards, Vancouver, WA
>
> John,
>
> I should have been more specific. I plan to write a more detailed story
> in the next few days about this project and show images of the print
> (currently in paper negative form but soon to be turned into a contact
> printed positive).
>
> The image is a triptyc this is 12 1/2 feet wide by 9 feet high (3 panels
> of 50'' wide) from a 100 feet long roll of Ilford Mk IV single weight RC
> paper (kindly supplied by Ilford Canada through their representative in
> Québec). Some have suggested that this may actually turn out to be the
> largest pinhole photography ever created but it certainly was not our
> intention to break a record.
>
> So, here are the details:
> . Focal length was 40'' at the center but we did what is called a "back
> swing" in large format photography, resulting in a focal of about 36" at
> the left extremity. This was done in order to extend the angle of
> vision to the right.
> . The diameter of the pinhole was 1.8mm resulting in an F/stop of
> F/564.
> . Total exposure time was 12 hours, starting at 01:30 AM through to
> 13:30 in the afternoon of sunday.
> . Outside weather was hazy skies during the night turning to overcast in
> the morning with snow beginning in the afternoon when we closed the
> aperture.
>
> The image shows quite a bit of vignetting, since we extended the size of
> the image past the limits of 2 1/2 - 3 1/2 times focal length , but we
> will be able to handle this at the contact printing stage and by
> applying reducer on the rather dense central area of the negative.
>
> Cheers,
>
> Guy
>
> P.S. The project is described at
> http://www.pinholevisions.org/diary/?option=story&id=212 and also at
> http://www.zeroimage.com/Guy/PinholeHotel.html
>
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Received on Sat May 4 20:23:43 2002
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