The two speed is nice and smooth so will be ok to use with a camera. If your mount is not too stable then the DC motor option will be better as you do not have to wait for the mount to stop moving (would also be wise to use a remote shutter release on the camera as well). Whatever you do make sure your focuser comes with the compression ring on the 2" barrel as the straight version is not kind to whatever you decide to plug in.
Mark
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