Multiple Exposure
To shoot and overlay multiple pictures
You can shoot and overlay a new picture onto an existing picture stored on the memory card.
You can display an existing picture stored on the memory card and preview the overlay effect in the live view display while shooting. Only pictures recorded in the RAW format can be overlaid.
When shooting with RAW selected for [](image quality mode), you can also repeat [Overlay] to combine three or more pictures.

Overlaying a blurred night scene onto a picture of illuminations