I'm looking at purchasing some stepper motors for a project of mine.
I found two which seem to be the same, except one has a 1.8 degree step and the other has a 0.9 degree step.
Now the application I want to add them to is a screw rod, not a belt-drive. I already have a fair amount of gear ratio in my favor. I really do not need such a low resolution, but that led me to think how does the resolution effect the performance of the motor in regards to: