Where do you get a +.75 diopter from, and how large do they come? My camera obscura could use one for close up work. -- Chris Peregoy | http://www.gl.umbc.edu/~peregoy | http://imda.umbc.edu/
- [pinhole-discussion] pinhole projection, off topic Dave is here
- Re: [pinhole-discussion] pinhole projection, off topic Chris Peregoy
- Re: [pinhole-discussion] pinhole projection, off topic B2MYOUNG