3 ms·
for certain values of "fine" I suppose
by joe5150 10y ago
for certain values of "fine" I suppose
- ygra 10y agohttp://www.abelardomorell.net/project/camera-obscura/ http://www.abelardomorell.net/project/camera-obscura/ (He later added a lens, to simplify the process, but even without you get fairly good images with a pinhole.)