INSTA360 X3 allows for quick and smooth capture of any environment. Use this camera if you don't need stunning details and large zoom in your scenes.
Nikon D610 @28mm
If you need more detail in your scenes, we recommend using high resolution cameras and stitching the shots together in software like PTGui. It requires a lot more effort but the result is certainly worth it.
3D Renders allow you to teach in the environment not yet available, or a place that is hard to reach or photograph. Maybe you even have a model of the environment in your organization already, which can speed up the course development process significantly.