There is the well used saying, ‘If it ain’t broke, don’t fix it’. There is however another useful phrase, ‘You cannot stand still. You either move forward or slide backward, there is no viable long term stationary position’. The Lee 100 Filter system is part of the history of image making; for many years it was the de facto choice for anyone who took the process seriously. The holder most Lee users own was introduced 25 years ago. Over recent years the competition has increased substantially and as so expertly proved by the British Motorcycle Industry in the 1960’s, complacency by any manufacturer, however strong, is fatal. In my view, Lee have evaluated an almost perfect product and sought to improve it. Have they succeeded? Read on.