RX100M7, Why, with HDR, "One image with proper exposure and one overlaid image are recorded."?

[FrankS]

The Help Guide says that, with HDR setting, "One image with proper exposure and one overlaid image are recorded".

What is the purpose of the "overlaid image".

[TheMaze]

Hey @FrankS 

The overlaid image is the actual HDR image created by overlapping the 3 different exposure. So, the purpose of the "overlaid image", is to provide you with an HDR image.

[FrankS]

@TheMaze 

Sorry but that is still not clear. Two images are recorded. The Help Guide says these two images are:

- "One image with proper exposure",

- "one overlaid image".

If one of these images is the actual HDR image, what is the other image for?

[TheMaze]

The overlaid image is the actual HDR photo that is resulting from combining, the underexposed / even exposed / over exposed images together. The other one is the normally exposed version of the photo (non-HDR)