Oops, I calculated at 3000 pixels on the long dimension rather than 4000. Please make adjustments accordingly. Sorry about that. CPAP Therapy is a way to live. > On Aug 22, 2014, at 8:44 PM, James Schenken <jds@xxxxxxxxxxxxxxx> wrote: > > The problem appears to be that the image magnification is about 44 times. > The image resolution is about 83 pixels per millimeter. > So, what you get if everything is perfect is 2 pixels per millimeter or about 50 dpi. > That's OK if everyone is going to be 15 feet away from the image or so. > > Any chance the museum would go for a black and white half tone for a background? > > CPAP Therapy is a way to live. > >>