Re: couple of pictures

I'd guess that edge softness is a product of the fact that the plane of
optimal sharpness is a hemisphere centered aroiund the hole, and the film
plane is flat, transecting the optimal image best at the center, or if
rounded, not rounded at the same radius.
----- Original Message -----
From: Simon Cygielski <simon@wbj.pl>
To: <pinhole-discussion@pinhole.com>
Sent: Tuesday, February 27, 2001 3:56 AM
Subject: [pinhole-discussion] couple of pictures

> Hi all,
> I've uploaded a couple of my first efforts with my 6x17 cm panoramic
> pinhole camera. They're up at
>
> http://www.pinhole.com/discussion/upload/images/path1.jpg and
> http://www.pinhole.com/discussion/upload/images/phones2.jpg
>
> I built the camera out of a Holga using bookboard to expand it to its
> present size. "Focal" length is 7.5 cm. Any comments would be
> appreciated.
> I also have a question: is the loss of sharpness on the far edges
> inevitable, or can it be corrected somehow? perhaps thinner stock? This
> hole was made (fairly carefully) out of a Coke can and sized according
> to some pinhole formula (though I forget which one), so it should be
> somewhere in the ballpark size-wise.
> Thanks,
> Simon
>
>
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Received on Tue Feb 27 15:38:53 2001