Thanks Phil. It would appear that it is the emitter. When I set it to 200 power I am back with the same image.PhilW wrote:There are settings under the Imager which allow you to adjust exposure in a number of ways, is it possible you adjusted one of them?
I can see that Octane material settings are saved with the scene. For now then put it down to my own version control error. I'll be watching out for lighting/material changes just in case it's one of those "intermittent" bugs.