As far as I know the problem is that the amount of light that goes trough the ho... | Hacker News

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		vladoh on Aug 26, 2012 \| parent \| context \| favorite \| on: Flat lens offers a perfect image 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.

Sharlin on Aug 26, 2012 [–]

Or you have to expose for a long time.

Luc on Aug 26, 2012 | [–]

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

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