Creative images don't always need post production. The Nikon D850's multiple exposure mode lets you produce amazing pictures by overlaying images... | By Nikon | Facebook
Double Exposure photography in-camera with the Nikon D850
Back at Dunstanburgh with a NEW CAMERA! | Including MULTIPLE EXPOSURES on Nikon D850 - YouTube
Multiple Exposure
How to create double exposure photos on Nikon in-camera. Sort of