Yeah. Come on dowwwwwwwwwn Gary!!!!
Thanks for the comments everyone.
Mike, apart from the tranparency having an impact on colour, I've noticed it also varies quite a lot when you vary your exposure.
In particular, I see quite a difference in saturation between 1/25th of a second as compared to 1/33rd. The slower shutter speed being the more saturated.
This little ToUcam continues to surprise