Cross polarising technique

The cross polarising techniques is a simple one to create. Just place a polarising filter in front of the lens and photograph a stiff plastic object in front of an LCD computer screen.  To illustrate the tip I attached a Hoyarex Linear Polarising filter* to the front of a digital camera.   I then positioned …

Linear or Circular Polariser?

In the early days of the polarising filter there was just one type – the linear polarizer.  The circular type arrived when the cameras with advanced metering (and later focusing) systems became popular. The Canon T90 and Olympus OM4 both had new advanced TTL metering that would be affected by the way a linear polarising …

Polarizing Filter and cross polarization

If you have a computer with an LCD monitor and a camera with a polarizing filter on the lens you can create some really colourful photos like this: All you do is place a piece of plastic (the above is a cd case with ice on the surface) in front of an LCD screen and …