----- Original Message ----- From: "Guillermo" <pen...@rogers.com>
> As we all know pinhole is not about sharpness, nor I am suggesting we strive > for it. Having said that, it is actually possible to make poinhole images > that under certain conditions could be undistinguishable from glass lens > images. A good example is an image in the Renner's pinhole book. Under the > assumption that we humans can discern more than 5 line pairs per millimeter, The last statement should have read: "Under the assumption that we humans CAN NOT discern more than 5 line pairs per millimeter with the unaided eye" Guillermo
