Re: Big Cameras - construction techniques

Gord -

I have made cameras from the size of a 35mm cannister to 16X20" and can tell
you that the large size is about as unwieldy as it gets. I made the large one
out of foam core and wind became a real problem (especially with the longer
exposure times). I considered making one out of wood, but decided not to
because of the weight.

I do like Andy's idea of using sono-tubes. I've never heard of these before
and will see if my local Home Depot carries them. If the cardboard is heavier
than the foam core (almost certainly the case) and lighter than wood then this
could be an excellent compromise.

Cheers -

george

--- "Gordon J. Holtslander" <gordon.holtslander@usask.ca> wrote:

> I want to try making some large pinhole camers - "12 x 18" and larger. I
> usually use cameras made by an engineer friend with every tool under the sun.
>
> He makes really nice cameras, but he want to do more than build cameras for
> me :)
>
> I want to make them myself - with simpler tools - straight edge, knife, hot
> glue ...
>
> I've used card board in the past and found objects. Cardboard by itself
> doesn't seem to lend itself to light tight container. Found objects work
> too, but I want to be able to design and build very specific shapes.
>
> What experiences have other had with building techniques. I've read that
> many
> use foam core. I have a matting knife that should be able to cut 90 degree
> edges to foam core, even have a trammel set and knife for circular shapes.
>
> Haven't had any ideas on how to properly make strong joints etc etc.
>
> Any other options? ideas?
>
> Gord
> --
> Gordon J. Holtslander Dept. of Biology
> gordon.holtslander@usask.ca University of Saskatchewan
> Tel 306 966-4433 112 Science Place
> Fax 306 966-4461 Saskatoon SK., CANADA
> homepage.usask.ca/~gjh289 S7N 5E2
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Received on Thu Aug 30 10:19:24 2007