[pinhole-discussion] Re: Pinholes in my pinholes

2001-02-12 Thread Tim Mackrell
This may be of help or notIn the book The Darkroom Cookbook by Stephen G. Anchell on the chapter on Stop Baths and Fixers he say's...when sodium carbonate, one of the most commonly used alkali in developers, comes into contact with acid, carbon dioxide gas is released, which can cause

[pinhole-discussion] Re: Pinholes in my pinholes

2001-02-11 Thread Zernike Au
Hi Tom, One more thought. Are you having the problem with hand-made cameras? I've had similar problems with the oatmeal box, cigar box and tin can Your spray color must be very dense and the distance of the camera from the air gun (or can spray) is too far that the color dry out (in particle