On 2013-01-29, Rob wrote:
On 28/01/2013 4:03 AM, Alan Browne wrote:



I don't feel like shooting film for such, but I might use a lens adaptor
and shoot some digital pinholes... the very long exposures may be quite
noise prone, however...




Just noticed this item after reading the exposure problem.

You can use a body cap and make a pinhole through that, if that is too
close then use an extension tube. Drill a hole through the cap and
stick some aluminium tape and make a pin prick through it. I usually use
a thick sewing (darning) needle.

The "state of the art" method for making a photographic pinhole, as I
recall, is to use a centre-punch (or a good round nail) to make a dent in a
piece of metal sheeting, and then gently file off the dimple. That gives
reasonably good control over the shape and size of the hole - but getting a
really small hole of a precise size isn't easy!

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-- Whiskers
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