Event Horizon Pegasus FocusCube3 Robotic Telescope Focuser - EVRP - ASCOM- Cassegrain AdaptationJMI Event Horizon Robotic Pegasus FocusCube 3 Telescope Focuser Cassegrain Base The name is a mouthful what it means is that we've made an adaptation to mount the Pegasus FocusCube 3 focus motor on our Crayford Focuser that will then mount onto the rear of your Schmidt Cassegrain Telescope via the standard SCT threads. We provide the focuser mechanics and you provide your Pegasus FocusCube 3 focus motor. Your motor mounts to our focuser with screws