The PSF of a Pinhole Camera

PSF of a circular pinhole, far away (left) and close by (right)

After introducing the Airy pattern in The Perfect Camera, I will show in this article how the PSF of a pinhole camera looks. A camera with a classical lens focuses the image that would be at infinity on the detector, which means that you actually get (approximately) the Airy pattern as the image of a point source there. This is not true for a pinhole camera, so…

Submitted on 16 August 2013

Going Responsive

Responsive design is a way to make websites work both on desktops, tablets, and smartphones, without having to create a separate site for each of them. Something had to happen with my site to make it more mobile-friendly, and I’ve decided to “go responsive” with this site for several reasons: The percentage of mobile visitors is increasing steadily, so…


Submitted on 9 June 2013