Thanks everyone for your suggestions. In the end we tried both Canon and Fujinon ALAC lenses and the effect seemed slightly lessened with the Fujinon. We tried returning all setting to default factory settings to no avail. We were advised to switch off the matrix and knee saturation but this had min...

Hi Has anyone made any progress on this subject? I am using a PMW500 and have noticed severe blue fringing (sometimes it can look like someone has colored it in with a blue Sharpie!) on high contrast subjects. I would really like eliminate or reduce this otherwise I think we will have to scrap the 5...