Cokin P173 Varicolour Polariser Blue/Yellow Filter

Depending on how the filter is rotated and its orientation to the sun the Cokin P173 Varicolour Polariser Blue / Yellow P series filter can give either a blue or a yellow tint.The P series of filters are suited to 48/49/52/55/58/62/67/72/77/82 mm lenses using P series adapters.