Jeff, If you were using a lens camera the effect would be lens flare. I'm not sure of the physics behind it, but I would guess the light is bouncing off the edge of the pinhole. Any one out there who knows better then I?
james Kellar > From: Jeff Spirer <j...@spirer.com> > Reply-To: pinhole-discussion@p at ??????? > Date: Tue, 19 Sep 2000 19:20:36 -0700 > To: pinhole-discussion@p at ??????? > Subject: [pinhole-discussion] Weird Flare Effects > > I get this very strange flare effect in bright sunlight when I use it, > and I'd be interested in figuring out what is causing it. I have three > photos here, two color, that demonstrate the effect.