Contact pinhole resource. they can arrange it. Also, I too was a precise
pinhole nerd who did not dare to err. But the sharpness of the pinhole has
very very wide latitude. At least try one your self to see if you are happy
with the result.
----- Original Message -----
From: Thomas Harvey <harveyt@aracnet.com>
To: <pinhole-discussion@pinhole.com>
Sent: Saturday, July 21, 2001 10:57 PM
Subject: [pinhole-discussion] Custom pinhole needed; advice on aperture size
> I am in the process of converting an Ilford Dacori 6x6 camera into a
> pinhole camera. Everything is ready to go -- except the pinhole
> aperture.
>
> The focal length is 40mm. According to the table I have, the optimal
> pinhole would be .0092". I have a .0087" pinhole from a set I bought
> from Pinhole Resource, but it is in use on a favorite 6x9 camera. I
> do not want to buy another complete set of pre-drilled pinholes. Nor
> do I want to make my own single pinhole. I think by the time I get
> the process and measurement down, I will be as well off finding one.
>
> Does anyone know of a source for single custom-drilled pinholes?
>
> I also note that my Zero Image Multi-format camera has a pinhole that
> is "optimal" for 21mm on a camera with a 40mm focal length. Should I
> be putting a smaller pinhole on the Dacori camera? What is the
> effect of "too small" a pinhole? (I could switch the .0087" pinhole
> from the 6x9 body to the Dacori, then place a .0059" pinhole that I
> have on the 30mm focal length 6x9.)
>
> The Dacori is a great camera to convert. Nice boxy camera with a
> flat bottom for placing on a flat surface, tripod mount, easily
> converted to 40mm by sawing part of the lens mount off. (probably
> 75-80mm focal length otherwise) That leaves a nice rectangular area
> to mount a plastic front plate. I have found some acrylic with a
> surface much like the camera leatherette.
>
> Dacoris are not easy to find. They appear on eBay, but all seem to
> be in England or Germany and the postage is steep for the camera.
> But if anyone does have one -- or gets one -- I'd be happy to send
> enough plastic for conversion.
>
> Thanks for the help,
>
> Tom
>
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Received on Sun Jul 22 07:10:15 2001
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