Re: [pinhole-discussion] Guillermo's 5 lp/mm optimum design

2003-01-07 Thread Tim Rawling
Hi all, Speaking of small pinhole cameras: a manufacturer of laser drilled pinholes once sent me a 0.001" pinhole good for an "optimal" focal length of under 0.5mm!! I couldn't possible make a camera with such focal length. I just read Michael Crichton's new novel called 'Prey' in which ther

Re: [pinhole-discussion] Guillermo's 5 lp/mm optimum design

2003-01-07 Thread Guillermo
- Original Message - From: "HypoBob" > Guillermo, > > In a posting on 13 December you stated that an 8x10 pinhole image rivaling the resolution of a lens image (i.e., 5 lp/mm) could be obtained with a > focal length of 120 mm or less and the optimum pinhole. > Since one could place any s

[pinhole-discussion] Guillermo's 5 lp/mm optimum design

2003-01-07 Thread HypoBob
Guillermo, In a posting on 13 December you stated that an 8x10 pinhole image rivaling the resolution of a lens image (i.e., 5 lp/mm) could be obtained with a focal length of 120 mm or less and the optimum pinhole. Since one could place any size negative material in such an arrangement, aren't y