Flat lens offers a perfect image

Re:Flat lens offers a perfect image by vladoh on Sunday August 26, 2012 @05:06AM (#4434717)

As far as I know the problem is that the amount of light that goes trough the hole is very low and you cannot see much or you need a very strong light source.

[ Parent | on HN ]

Re:Flat lens offers a perfect image by Sharlin on Sunday August 26, 2012 @06:47AM (#4434847)

Or you have to expose for a long time.

[ Parent | on HN ]

Re:Flat lens offers a perfect image by Luc on Sunday August 26, 2012 @08:35AM (#4434972)

Or use more than one pinhole... E.g. http://pinhole.stanford.edu/zp.html

[ Parent | on HN ]