This is an image taken in a local conservation area, slowing the shutter so that a flowing river becomes a torrent of water, wearing down the rock that sits in the middle of the deluge. A 5 second exposure at f5.6 using an ND filter.
There are a couple of ways to shoot infrared images and this is the simplest if not the most efficient. Every digital camera has a filter that is designed to prevent infrared light from hitting your sensor. Infrared light, given the right equipment, is just as visible as the light in our 'normal' spectrum, just… Continue reading How to shoot infrared photos with a filter