Re: Building my first serious pinhole

> ----- Original Message -----
> From: JS2RT@aol.com
>
> Diana,
> The reason I limit the amount of vignetting I get is that I don't care for
> it. I have made two pinhole cameras (one was a Pintoid, the other from a
tin
> cookie container) that vignette heavily. For me, the vignetting that
> surrounded the image detracted from the image itself. As a result make my
> 4x5 pinhole cameras with at least a 100 mm focal distance and my 5x7
camera
> with 120 mm or more.

That's one of the beauties of the lenses techniques, it accomodates all
tastes and "cares". Whether you want it "sharp" or not, lots of vignetting
or almost none, flat film plane or not, want to know the physics and math of
it or not, etc., it is not only do-able but also OK to do it.

> My preference is for making contact prints from the 5x7 rather than
> enlarging the 4x5s. If I want a normal rather than a wide angle
perspective,
> I will use a pinhole Polaroid. This has the added advantage that by using
> 3000 speed film I can hand hold the camera.

My first pinhole image was made with that film, it is great because it is
instant gratification with short exposures. A 100mm 4x5 fitted with the so
called "optimum size" pinhole (f/273 or thereabouts), used under sunny skies
would require something in the neighborghood of 1/10 second, handholdable
for some, but not for my shaky hands.

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Received on Wed Dec 1 13:20:44 2004