my new lens a couple of posts ago. One very useful side-effect is that it has a 52mm filter thread which just happens to be one of the sizes I have of Lee filter system adapters. This means I can finally use my Lee filters on my Olympus OMD-EM10, especially my neutral density graduated filters. Ever since buying the Olympus with the kit pancake lens, which had an absurdly small 37mm filter thread, the fact that I couldn’t use the ND grad filters on that lens was the main reas

OnLandscape magazine has had a series on neutral density graduated filters, with one part on colour accuracy. Tim Parkin, editor and author, happens to mention that his very old Lee resin filters had changed colour over the years and now had a strong colour cast. I had suspected this myself with my own set of Lee resin filters. A quick test confirms this. Here are some shots I took, the captions tell the story. I took several shots of my landing, which is directly underneath