This is a custom built focus or zoom motor with a 100:1 stepper motor. The gear is aluminum and has 128 tooth with 32 pitch.
This is a custom built head that can be used as a panoramic or a tilting head.
This is a Stage One 48″ motorized slider from Dynamic Perception. I have added a leveling wedge and the inverted motor mount. For these location I wanted to capture as much detail of the rocks with a focus-pull under-slung slider setup. Mounted in a vertical slide.