OK, I understand the math ... but what is the diffuser? How do I measure it? Where do I find it?
William Robb wrote: > Basic geometery. The size of the diffuser needs to be somewhat > bigger than the diagonal of the negative. > As an example, the 35mm format is nominally 24x36mm. > To get the diagonal, add the squares of the length and width > together, then take the square root of that sum: > (24 x 24) + (36 x 36) = 1872. > The square root of that is ~43.266 mm. -- Shel Belinkoff mailto:[EMAIL PROTECTED] http://home.earthlink.net/~belinkoff/ - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .