The fixed engineering cameras are primarily meant for in-flight inspection of the spacecraft. But they also opportunistically capture images of Earth and the moon in the background.
The astronauts carry two handheld Nikon D5 digital SLR 20.8 MP cameras for hi-res images and videos.
https://talkoftitusville.com/2025/12/24/what-cameras-will-the-artemis-ii-astronauts-have-aboard/
https://ntrs.nasa.gov/api/citations/20230017638/downloads/1325_Melendrez_Orion%20Imaging%20Capabilities.pdf
26/n