One of the functions is a double exposure, and I've spent a lot of time refining the use of it for moon and cloud images.
When you use he double exposure feature, you can select different settings for the two images. In the image below, I set my first exposure for Multi exposure to capture the pine boughs. This overexposed the moon. For the second image, I changed to spot metering and metered on the moon.
I used a similar technique for this image.
