Many thanks for your quick reply. I've found the DNG save option now, and have tried it. It works nicely and saves the metadata along with the file.

Thanks again.

Hi. New user having just downloaded Helicon Focus.

One issue I am initially having is that after rendering a stack of images, and then going to save it, I get the following error messgae...

Failed to write Image Metadata ( file path ). The file contains data of an unknown image type. Last error 0 ...