Window of opportunity

When taking wide angle photos underwater we observe a remarkable effect: if we look up…

Natural light photography underwater

Flash, Forrest, flash! Many starting photographers conclude there is not much light underwater and start…

Open Sesamy: Port-knocking using just one port

Port knocking is a mechanism to provide additional security to firewalling. Port knocking is normally used in firewalls.…

Photography articles in Dutch – 2008

These articles I wrote for the scuba diving club: Deel 1: Camera keuze Deel 2:…

Photographing the Milky Way

At some dark parts on this globe we have a beautiful view on the milky…

Showcase

Click on the image for full screen. More on http://www.studioblueplanet.net

Solar Power

The gauges present the actual production at my home: left the Photo-Voltaic (PV) System, right…

Star Trails

ISO200, 12mm, F/5.0, this photo has an effective exposure time of 90 minutes The trick…