Thanks for the replies. Please bear in mind I'm very new to this but perhaps the confusion as to the usefulness of these switches is the difference between a CNC machine using multiple linear axis' (XYZ) vs the motion control machine I am building to control a video camera.

I am only using one linear axis which acts as a slider. All other axis are rotational motors which are used to control; focus, zoom, pan of camera, tilt of camera. Then there is another motor which is used for a large rotating table. Finally, I'd have two other optional motors (8 in total) which I could use for other tasks, things like; moving a piece of the set, moving a product, throwing liquids. Motion control video can get very complex but it's quite different compared with CNC machines although the components are generally the same.

Given the above, I'm not sure, although again I could be wrong, that home or limit switches would even work. I can see how they'd work on a linear axis but not on the others. That may be due to my lack of knowledge though. As such, maybe this is where these on/off switches come in handy? Maybe...