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 …

Stepping rings save you money

Stepping rings are really useful additions to your filter collection. They are slim rings that have a male thread on one side and a female thread of a different size on the other. They are designed to allow a filter with one diameter be used on a lens with a different diameter. Stepping rings come …