[LargeFormat] Re Worldwide Pinhole Photography

[philip.lambert]

I have been worrying about attaching a length of rollfilm to the inside of a
concave filmplane. Is double sided sellotape the answer? In the meantime I
have to use the shoebox to send 2 LF lenses to a friend so am thinking now
about using the carton the fridge came in. Not sure if this is
practical.Just wondering how to make a contact print from a negative 2.25ins
wide by 15ins long. Philip
----- Original Message -----
From: "Les Newcomer" <lnphoto@twmi.rr.com>
To: <largeformat@f32.net>
Sent: Sunday, April 14, 2002 8:01 PM
Subject: Re: [LargeFormat] Re Worldwide Pinhole Photography


> Hey sounds like a great ebay auction for next April fools.  "A pinhole
> center filter!"
>
> while I won't say it's impossible, the aperture is so bloody small that
> creating a centerfilter would be difficult indeed. An you're already into
> the several seconds exposure, another 2 stops will put you into the minute
> mark with reciprocity.
>
> Since pinholes don't need to focus, take a compass and measure the
distance
> from one wall to the next, then draw an arc in the botom of the box. Now
> using more cardboard, construct a curve along the arc.  This way the film
> will be the same distance from the aperture, and while fall off will still
> exist, it will be greatly  diminshed.  You might get some odd shapes at
the
> very ends too, since the film will see an elipse instead of a circle.
>
> Les.
>
> > From: "philip.lambert" <philip.lambert@ntlworld.com>
> > Reply-To: largeformat@f32.net
> > Date: Sat, 13 Apr 2002 11:53:34 +0100
> > To: <largeformat@f32.net>
> > Subject: [LargeFormat] Re  Worldwide Pinhole Photography
> >
> > I am wondering whether I could use a pinhole camera as an ultrawide
camera.
> > I thought I might tape a suitable length of 120 rollfilm negative inside
a
> > shoe box on the long side.  There is sure to be a falling off in
> > illumination towards the edges. In conventional ultrawide photography
the
> > use of a graduated centre filter is suggested to reduce the light in the
> > middle region of the negative.  Is such a filter needed with a pinhole
> > camera and if so what size and how is it to be contrived? Philip
> >
> >
> >
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