I have a filter programme which,as a preset,destautrates (converts to black and white) the photo but leaves anything red intact. Heres a few photos,all taken in Patts,showing this effect. Again,I havent chosen any amazing photos to show this outcome in all its glory,but just a few random ones to practise on. I actually now look for red elements in a scene,hoping to maximize this filter,but havent got round to processing them yet. So,here are a few black,white and red photos :