Yes to sharpness question. beyond the "focal length" you are using sharpness is, for all practical purposes, equal at all distances. If you are closer to the object than the focal length you are using, whether it's optimal or not, the image of the object is bigger than the object and looks sometimes somewhat unsharp.
----- Original Message ----- From: Ann King To: pinhole-discussion@p at ??????? Sent: Sunday, July 07, 2002 5:40 AM Subject: [pinhole-discussion] Sharpness in Closeups Hi: Uploaded my first photos to Gallery 2002 Jul 5 and would be interested in feedback. I'm pretty new to pinhole photography and have a couple of questions concerning closeup photos. Does the optimum pinhole size for a given focal length (pinhole to film plane) produce the sharpest image for closeups? Also does the focal length itself affect how close you can be to the subject and still produce good (pinhole quality) sharpness? Thanks, Terry King
