does depend a lot on the background and the lighting on everything just when it gets in your camera mijin and how much that works so again that's that's kind of the walls we tend to be up against trying to push the limits of where we can fly what we can see and how fast we can go especially and then about textualist surfaces so here's actually flying through our office and you can see on the left here example it's a scene with you know specularity is on the walls which will be lying to you photo metrically and just a lot of a lot