on 23/11/04 5:42 pm, Keith Dixon wrote: > sorry but I knew the theory what I was wondering about was WHY the diagonal > and the standard focal length are the same?
Presumably because a lens creates a circular image and matching the diagonal of the rectangle to a the diameter of the circle gives the optimum result with the least wastage from the optics? I'm just guessing - despite your advice... -- Martin Orpen Idea Digital Imaging Ltd -- The Image Specialists http://www.idea-digital.com =============================================================== GO TO http://www.prodig.org for ~ GUIDELINES ~ un/SUBSCRIBING ~ ITEMS for SALE
