Quote Originally Posted by pgomena View Post
Maybe I'm missing something here, but the diagonal of an 8x10" sheet is 325mm. I don't see how a 305mm coverage would not vignette the corners.
Because the film holder casts a shadow at the time of exposure, the actual image on the negative is less then 325mm diagonal. Also, when you overlap the image slightly onto the blades of the paper easel you can produce a print that looks excellent with a 305mm coverage taking lens.